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US5438842A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for cooling a tractor using air from a refrigeration trailer

Assignee: Economy Cooling Inc
•
Filing: 1993-06-07
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Granted: 1995-08-08
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Expires: 2013-06-07
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Abstract

Abstract In combination with a tractor and refrigeration trailer, a cooling system for cooling the air within the tractor with cooled air as conducted from the refrigeration trailer to reduce fuel consumption, pollutants, or the like, of the tractor. A method for conducting air from a refrigeration trailer to a tractor coupled thereto and a method for retrofitting a cooling system to a combination tractor and refrigeration trailer for cooling the air within the tractor with the cooling system.

Inventors

  • 👤 Roy E. Watkins
  • 👤 Randy S. Watkins
  • 👤 Perry A. Watkins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 14:54
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/32; B60H1/3204; B60H1/3232; B60P; B60P3/00; B60P3/20

Claims Analysis

Total Claims: 28
Claim 1
Independent Claim 241 words
An apparatus for conducting air from a refrigeration trailer to a tractor that is coupled to the refrigeration trailer comprising: (a) a fan housing means for securing to a refrigeration trailer and for containing a fan member; (b) a first flexible conduit means coupled to the fan housing means for conducting cool air from the fan housing means; (c) a generally rigid conduit means supported by a tractor and coupled to the first flexible conduit means for conducting cool air from the first flexible conduit means; (d) a second flexible conduit means coupled to the generally rigid conduit means and communicating with an inside of a tractor for conducting cool air from the generally rigid conduit means into the inside of the tractor; (e) a fan means being disposed in said fan housing means and electrically communicating with a refrigeration device secured to a refrigeration trailer such that when activated the fan means may draw cool air from the refrigeration trailer and pass same through the first flexible conduit means, through the generally rigid conduit means, through the second flexible conduit means and into an inside of a tractor; and (f) a control means electrically engaged to said fan means and for being electrically engaged to a refrigeration device secured to a refrigeration trailer and for being disposed on an inside of said tractor and for controlling operation of said fan means to maintain a desired atmospheric condition within a tractor.
Claim 2
Independent Claim 241 words
An apparatus for conducting air from a refrigeration trailer to a tractor that is coupled to the refrigeration trailer comprising: (a) a fan housing means for securing to a refrigeration trailer and for containing a fan member; (b) a first flexible conduit means coupled to the fan housing means for conducting cool air from the fan housing means; (c) a generally rigid conduit means supported by a tractor and coupled to the first flexible conduit means for conducting cool air from the first flexible conduit means; (d) a second flexible conduit means coupled to the generally rigid conduit means and communicating with an inside of a tractor for conducting cool air from the generally rigid conduit means into the inside of the tractor; (e) a fan means being disposed in said fan housing means and electrically communicating with a refrigeration device secured to a refrigeration trailer such that when activated the fan means may draw cool air from the refrigeration trailer and pass same through the first flexible conduit means, through the generally rigid conduit means, through the second flexible conduit means and into an inside of a tractor; and (f) a control means electrically engaged to said fan means and for being electrically engaged to a refrigeration device secured to a refrigeration trailer and for being disposed on an inside of said tractor and for controlling operation of said fan means to maintain a desired atmospheric condition within a tractor.
Claim 3
Dependent Claim 90 words
The apparatus of claim 1 (one) wherein said apparatus additionally comprises a first electrical lead in communication with a power supply of a refrigeration device and said control means for supplying electrical power to said control means; a second electrical lead in communication with the power supply of the refrigeration device and said control means for supplying electrical power to said control means; and a third electrical lead in communication with the power supply of the refrigeration device and said fan means for supplying electrical power to said fan means.
Claim 4
Dependent Claim 27 words
The apparatus of claim 2 (two) additionally comprising a first clamping means for clamping a first end of said first flexible conduit to said fan housing means.
Claim 5
Dependent Claim 33 words
The apparatus of claim 3 (three) additionally comprising a second clamping means for releasably clamping a second end of said first flexible conduit means to a first end of said rigid conduit means.
Claim 6
Dependent Claim 32 words
The apparatus of claim 4 (four) additionally comprising a third clamping means for clamping a second end of said rigid conduit means to a first end of said second flexible conduit means.
Claim 7
Dependent Claim 22 words
The apparatus of claim 5 (five) wherein said fan means comprises a blade member; said blade member comprises a squirrel-cage type blade.
Claim 8
Dependent Claim 22 words
The apparatus of claim 6 (six) wherein said housing means comprises a pair of opposed filter channels for slidably receiving a filter.
Claim 9
Dependent Claim 348 words
In combination a vehicle and an improved cooling system; said vehicle having a tractor coupled to a refrigeration trailer; said tractor having an interior portion and a firewall thereof; said trailer having an interior portion thereof and a refrigeration device secured to a front wall thereof for cooling air in said interior portion thereof; the improvement comprising: (a) a fan housing member secured to said refrigeration trailer and for containing a fan member; (b) a first flexible conduit member coupled to the fan housing member for conducting cool air from the fan housing member; (c) a generally rigid conduit member supported by said tractor and coupled to the first flexible conduit member for conducting cool air from the first flexible conduit member; (d) a second flexible conduit member coupled to the generally rigid conduit member and communicating with said interior portion of said tractor for conducting cool air from the generally rigid conduit member into said interior portion of said tractor; (e) a fan member disposed in said fan housing means and electrically communicating with said refrigeration device secured to said refrigeration trailer such that when activated the fan member draws cool air from said refrigeration trailer and passes same through said first flexible conduit member, through the generally rigid conduit member, through the second flexible conduit member and into said interior portion of said tractor; (f) a control means electrically engaged to said fan member and electrically engaged to said refrigeration device secured to said refrigeration trailer and disposed on said interior portion of said tractor for controlling operation of said fan member to maintain a desired atmospheric condition within said tractor. (g) a first clamping member for clamping a first end of said first flexible conduit member to said fan housing member; (h) a second clamping member for releasably clamping a second end of said first flexible conduit means to a first end of said generally rigid conduit member; and (i) a third clamping member for clamping a first end of said second flexible conduit member to a second end of said generally rigid conduit member.
Claim 10
Dependent Claim 348 words
In combination a vehicle and an improved cooling system; said vehicle having a tractor coupled to a refrigeration trailer; said tractor having an interior portion and a firewall thereof; said trailer having an interior portion thereof and a refrigeration device secured to a front wall thereof for cooling air in said interior portion thereof; the improvement comprising: (a) a fan housing member secured to said refrigeration trailer and for containing a fan member; (b) a first flexible conduit member coupled to the fan housing member for conducting cool air from the fan housing member; (c) a generally rigid conduit member supported by said tractor and coupled to the first flexible conduit member for conducting cool air from the first flexible conduit member; (d) a second flexible conduit member coupled to the generally rigid conduit member and communicating with said interior portion of said tractor for conducting cool air from the generally rigid conduit member into said interior portion of said tractor; (e) a fan member disposed in said fan housing means and electrically communicating with said refrigeration device secured to said refrigeration trailer such that when activated the fan member draws cool air from said refrigeration trailer and passes same through said first flexible conduit member, through the generally rigid conduit member, through the second flexible conduit member and into said interior portion of said tractor; (f) a control means electrically engaged to said fan member and electrically engaged to said refrigeration device secured to said refrigeration trailer and disposed on said interior portion of said tractor for controlling operation of said fan member to maintain a desired atmospheric condition within said tractor. (g) a first clamping member for clamping a first end of said first flexible conduit member to said fan housing member; (h) a second clamping member for releasably clamping a second end of said first flexible conduit means to a first end of said generally rigid conduit member; and (i) a third clamping member for clamping a first end of said second flexible conduit member to a second end of said generally rigid conduit member.
Claim 11
Dependent Claim 26 words
The cooling system of claim 8 (eight) wherein said fan member comprises a blade member; said blade member having a structure comprising a squirrel-cage type blade.
Claim 12
Dependent Claim 88 words
The cooling system of claim 9 (nine) additionally comprising a first electrical lead in communication with a power supply of a refrigeration device and said control means for supplying electrical power to said control means; a second electrical lead in communication with the power supply of the refrigeration device and said control means for supplying electrical power to said control means; and a third electrical lead in communication with the power supply of the refrigeration device and said fan means for supplying electrical power to said fan member.
Claim 13
Dependent Claim 340 words
A process for retrofitting a tractor having a firewall and a refrigeration trailer coupled to said tractor wherein the trailer comprises a refrigeration device for cooling air contained in the trailer comprising the steps of: (a) providing a refrigeration trailer having a refrigeration device wherein said trailer comprises an aperture disposed in a front wall of said trailer wherethrough cooled air may be passed; (b) providing a cooling system comprising a fan housing member, a fan member, a first flexible conduit member, a generally rigid conduit member, a second flexible conduit member, a filter member, a first electrical line, a second electrical line, a third electrical line, a fourth electrical line, and a control means; (c) disposing said fan in said fan housing member; (d) securing said fan housing member on said front wall of said trailer such that said fan housing member in generally superimposed on said aperture; (e) disposing said filter member in said fan housing member such that air leaving the trailer passes therethrough; (f) disposing a firewall aperture in said firewall of said tractor; (g) securing a first end of said first flexible conduit member to said fan housing member; (h) securing a first end said generally rigid conduit member to a second end of said first flexible conduit member; (i) securing a first end of said second flexible conduit member to a second end of said generally rigid conduit; (j) passing a second end of said second flexible conduit member through said firewall aperture; (k) disposing said control means in an interior of said tractor; (l) connecting a first electrical line between said refrigeration unit secured to said trailer and said control means; (m) connecting a second electrical line between said refrigeration unit secured to said trailer and said control means; (n) connecting a third electrical line between said refrigeration unit secured to said trailer and said fan member; and (o) connecting a fourth electrical line between said control means and said fan member to retrofit said cooling system to said tractor and said trailer.
Claim 14
Dependent Claim 340 words
A process for retrofitting a tractor having a firewall and a refrigeration trailer coupled to said tractor wherein the trailer comprises a refrigeration device for cooling air contained in the trailer comprising the steps of: (a) providing a refrigeration trailer having a refrigeration device wherein said trailer comprises an aperture disposed in a front wall of said trailer wherethrough cooled air may be passed; (b) providing a cooling system comprising a fan housing member, a fan member, a first flexible conduit member, a generally rigid conduit member, a second flexible conduit member, a filter member, a first electrical line, a second electrical line, a third electrical line, a fourth electrical line, and a control means; (c) disposing said fan in said fan housing member; (d) securing said fan housing member on said front wall of said trailer such that said fan housing member in generally superimposed on said aperture; (e) disposing said filter member in said fan housing member such that air leaving the trailer passes therethrough; (f) disposing a firewall aperture in said firewall of said tractor; (g) securing a first end of said first flexible conduit member to said fan housing member; (h) securing a first end said generally rigid conduit member to a second end of said first flexible conduit member; (i) securing a first end of said second flexible conduit member to a second end of said generally rigid conduit; (j) passing a second end of said second flexible conduit member through said firewall aperture; (k) disposing said control means in an interior of said tractor; (l) connecting a first electrical line between said refrigeration unit secured to said trailer and said control means; (m) connecting a second electrical line between said refrigeration unit secured to said trailer and said control means; (n) connecting a third electrical line between said refrigeration unit secured to said trailer and said fan member; and (o) connecting a fourth electrical line between said control means and said fan member to retrofit said cooling system to said tractor and said trailer.
Claim 15
Dependent Claim 364 words
A process for cooling a tractor coupled to a refrigeration trailer having a refrigeration device for cooling air contained in the refrigeration trailer comprising the steps of: (b) providing a cooling system comprising a fan housing member, a fan member, a first flexible conduit member, a generally rigid conduit member, a second flexible conduit member, a filter member, a first electrical line, a second electrical line, a third electrical line, a fourth electrical line, and a control means; (c) disposing said fan in said fan housing member; (d) securing said fan housing member on said front wall of said trailer such that said fan housing member in generally superimposed on said aperture; (e) disposing said filter member in said fan housing member such that air leaving the trailer passes therethrough; (f) disposing a firewall aperture in said firewall of said tractor; (g) securing a first end of said first flexible conduit member to said fan housing member; (h) securing a first end said generally rigid conduit member to a second end of said first flexible conduit member; (i) securing a first end of said second flexible conduit member to a second end of said generally rigid conduit; (j) passing a second end of said second flexible conduit member through said firewall aperture; (k) disposing said control means in an interior of said tractor; (l) connecting a first electrical line between said refrigeration unit secured to said trailer and said control means; (m) connecting a second electrical line between said refrigeration unit secured to said trailer and said control means; (n) connecting a third electrical line between said refrigeration unit secured to said trailer and said fan member; and (o) connecting a fourth electrical line between said control means and said fan member (p) operating said refrigeration device of said refrigeration trailer to cool the air contained therein; (q) activating said fan member with said control means; (r) conducting air from said trailer through said filter member into said fan housing member; (s) conducting air from said fan housing member through said generally flexible air conduit; (t) conducting air from said generally flexible air conduit into an interior of said tractor for cooling said tractor.
Claim 16
Dependent Claim 364 words
A process for cooling a tractor coupled to a refrigeration trailer having a refrigeration device for cooling air contained in the refrigeration trailer comprising the steps of: (b) providing a cooling system comprising a fan housing member, a fan member, a first flexible conduit member, a generally rigid conduit member, a second flexible conduit member, a filter member, a first electrical line, a second electrical line, a third electrical line, a fourth electrical line, and a control means; (c) disposing said fan in said fan housing member; (d) securing said fan housing member on said front wall of said trailer such that said fan housing member in generally superimposed on said aperture; (e) disposing said filter member in said fan housing member such that air leaving the trailer passes therethrough; (f) disposing a firewall aperture in said firewall of said tractor; (g) securing a first end of said first flexible conduit member to said fan housing member; (h) securing a first end said generally rigid conduit member to a second end of said first flexible conduit member; (i) securing a first end of said second flexible conduit member to a second end of said generally rigid conduit; (j) passing a second end of said second flexible conduit member through said firewall aperture; (k) disposing said control means in an interior of said tractor; (l) connecting a first electrical line between said refrigeration unit secured to said trailer and said control means; (m) connecting a second electrical line between said refrigeration unit secured to said trailer and said control means; (n) connecting a third electrical line between said refrigeration unit secured to said trailer and said fan member; and (o) connecting a fourth electrical line between said control means and said fan member (p) operating said refrigeration device of said refrigeration trailer to cool the air contained therein; (q) activating said fan member with said control means; (r) conducting air from said trailer through said filter member into said fan housing member; (s) conducting air from said fan housing member through said generally flexible air conduit; (t) conducting air from said generally flexible air conduit into an interior of said tractor for cooling said tractor.
Claim 17
Dependent Claim 182 words
A process for cooling an interior of a tractor and a refrigeration trailer in combination wherein said combination comprises a cooling system for cooling the tractor with air conducted from a refrigeration trailer comprising the steps of: (a) providing said tractor having a firewall and a firewall aperture disposed in said firewall, and a trailer having a refrigeration device and an aperture disposed in a front wall of said trailer; (b) providing the cooling system having a filter member, a fan housing member, a fan member, a first flexible conduit member, a generally rigid conduit member, a second flexible conduit member, at least four electrical lines, and a control means for regulating said fan member; (c) pushing cooled air from the refrigeration device; (d) circulating cooled air from the refrigeration device along a top of said trailer to a rear wall; (e) circulating cooled air downward along the rear wall; (f) drawing air along a bottom of the trailer with the refrigeration device; and (g) operating said cooling system to draw a portion of the air though said aperture of said trailer.
Claim 18
Dependent Claim 182 words
A process for cooling an interior of a tractor and a refrigeration trailer in combination wherein said combination comprises a cooling system for cooling the tractor with air conducted from a refrigeration trailer comprising the steps of: (a) providing said tractor having a firewall and a firewall aperture disposed in said firewall, and a trailer having a refrigeration device and an aperture disposed in a front wall of said trailer; (b) providing the cooling system having a filter member, a fan housing member, a fan member, a first flexible conduit member, a generally rigid conduit member, a second flexible conduit member, at least four electrical lines, and a control means for regulating said fan member; (c) pushing cooled air from the refrigeration device; (d) circulating cooled air from the refrigeration device along a top of said trailer to a rear wall; (e) circulating cooled air downward along the rear wall; (f) drawing air along a bottom of the trailer with the refrigeration device; and (g) operating said cooling system to draw a portion of the air though said aperture of said trailer.
Claim 19
Dependent Claim 21 words
The process of claim 13 (thirteen) additionally comprising drawing air over perishables contained in the trailer before said operating step (g).
Claim 20
Dependent Claim 16 words
The process of claim 14 additionally comprising warning the air before said operating step (g) .
Claim 21
Independent Claim 104 words
An apparatus for conducting air from a refrigeration trailer to a tractor that is coupled to the refrigeration trailer comprising a fan housing means for containing a fan member, and secured to a refrigeration trailer for containing cool air; a flexible conduit means, coupled to the fan housing means, for conducting said cool air from the fan housing means to said tractor; and a fan means, disposed in said fan housing means and electrically communicating with a refrigeration device of said refrigeration trailer, for circulating said cooled air from said refrigeration trailer through said flexible conduit means and into an interior of said tractor.
Claim 22
Independent Claim 104 words
An apparatus for conducting air from a refrigeration trailer to a tractor that is coupled to the refrigeration trailer comprising a fan housing means for containing a fan member, and secured to a refrigeration trailer for containing cool air; a flexible conduit means, coupled to the fan housing means, for conducting said cool air from the fan housing means to said tractor; and a fan means, disposed in said fan housing means and electrically communicating with a refrigeration device of said refrigeration trailer, for circulating said cooled air from said refrigeration trailer through said flexible conduit means and into an interior of said tractor.
Claim 23
Dependent Claim 25 words
The apparatus of claim 16 additionally comprising a control means, in communication with said fan means and said refrigeration device, for regulating said fan means.
Claim 24
Dependent Claim 210 words
A process for cooling an interior of a tractor with cool air from a refrigeration trailer that is coupled to the tractor, comprising the steps of: (a) providing a tractor having a firewall and a firewall aperture disposed in said firewall, and a trailer having a refrigeration device and an aperture disposed in a front wall of said trailer; (b) providing a tractor cooling system having a fan housing member in communication with said aperture of said trailer, a fan member disposed in said fan housing member, a flexible conduit member in communication with said fan housing member and said firewall aperture of said front wall of said tractor, a control means for regulating said fan member, and a plurality of electrical lines in communication with said control means, said fan member, and said refrigeration device for supplying electrical power to said fan member; (c) emitting cool air into said refrigeration trailer with the refrigeration device; and (d) operating said cooling system to draw a portion of the emitted cool air of step (c) through said aperture of said trailer with said fan member, and to convey said portion of cool air through said flexible conduit, and through said firewall aperture of said tractor to cool an interior of same.
Claim 25
Dependent Claim 210 words
A process for cooling an interior of a tractor with cool air from a refrigeration trailer that is coupled to the tractor, comprising the steps of: (a) providing a tractor having a firewall and a firewall aperture disposed in said firewall, and a trailer having a refrigeration device and an aperture disposed in a front wall of said trailer; (b) providing a tractor cooling system having a fan housing member in communication with said aperture of said trailer, a fan member disposed in said fan housing member, a flexible conduit member in communication with said fan housing member and said firewall aperture of said front wall of said tractor, a control means for regulating said fan member, and a plurality of electrical lines in communication with said control means, said fan member, and said refrigeration device for supplying electrical power to said fan member; (c) emitting cool air into said refrigeration trailer with the refrigeration device; and (d) operating said cooling system to draw a portion of the emitted cool air of step (c) through said aperture of said trailer with said fan member, and to convey said portion of cool air through said flexible conduit, and through said firewall aperture of said tractor to cool an interior of same.
Claim 26
Dependent Claim 19 words
The process of claim 18 wherein said operating step additionally comprises regulating the fan member with said control means.
Claim 27
Dependent Claim 108 words
A process for cooling an interior of a tractor comprising the steps of: (a) providing a tractor having an interior, an engine, and a firewall disposed between the interior and the engine; (b) providing a refrigeration trailer having cool air; (c) extending a conduit from the firewall of the tractor to the refrigeration trailer such that the conduit communicates with the interior of the tractor and with an interior of the refrigeration trailer having said cool air; (d) withdrawing said cool air from the refrigeration trailer; and (e) passing the withdrawn cool air through the conduit and through the firewall of the tractor to cool the interior thereof.
Claim 28
Dependent Claim 108 words
A process for cooling an interior of a tractor comprising the steps of: (a) providing a tractor having an interior, an engine, and a firewall disposed between the interior and the engine; (b) providing a refrigeration trailer having cool air; (c) extending a conduit from the firewall of the tractor to the refrigeration trailer such that the conduit communicates with the interior of the tractor and with an interior of the refrigeration trailer having said cool air; (d) withdrawing said cool air from the refrigeration trailer; and (e) passing the withdrawn cool air through the conduit and through the firewall of the tractor to cool the interior thereof.

References Cited (Backward Citations)

US3211076A Cited
US5253700A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1998-08-07 1999-02-06 1999-08-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2002-08-07 2003-02-06 2003-08-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2006-08-07 2007-02-06 2007-08-08 $7700.00 Window Closed / Lapsed

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