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US3665727A Expired / Lapsed US ⏱️ 0.0 years remaining

Sectionalized self-contained air conditioning unit

Assignee: Trane US Inc
•
Filing: 1970-09-14
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Granted: 1972-05-30
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Expires: 1990-09-14
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Abstract

Abstract An air-cooled condenser section has its own support pan capable of supporting the components of the condenser section independently of the evaporator section. The evaporator has a subframe which extends outwardly therefrom for attachment in underlying relationship to the condenser section to thereby define a self-contained unitary air conditioning unit. The evaporator section has a recessed sidewall defining a channel for conducting cooling air to a portion of the condenser section embraced by the evaporator section. Vertically oriented compressor, heat exchangers, and blowers in both evaporator and condenser sections permit the use of the same size bottoms, tops, and subframe for different size units.

Inventors

  • 👤 John C Mather

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 06:24
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/02; F24F1/029; F24F1/032; F24F1/0323; F24F1/0325

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 171 words
Refrigeration apparatus comprising: an evaporator section having a housing; a refrigerant evaporator heat exchanger disposed in said housing; a first blower disposed in said housing for passing air in heat exchange relation with said refrigerant evaporator heat exchanger; and a first motor drivingly connected to said first blower; a frame supportingly connected to said refrigerant evaporator heat exchanger, said first blower, said first motor and said housing, said frame being disposed below said housing and extending horizontally substantially beyond said housing; an air cooled condenser section having a refrigerant condenser heat exchanger; a refrigerant compressor; a second blower disposed to pass cooling air over said condenser heat exchanger; a second motor drivingly connected to said second blower; and a support pan means disposed below said compressor and said condenser heat exchanger for supporting said condenser heat exchanger, said compressor, said second blower and said second motor independently of said evaporator section; the extending portion of said frame being disposed below and connected to said support pan means of said condensing unit.
Claim 2
Dependent Claim 171 words
Refrigeration apparatus comprising: an evaporator section having a housing; a refrigerant evaporator heat exchanger disposed in said housing; a first blower disposed in said housing for passing air in heat exchange relation with said refrigerant evaporator heat exchanger; and a first motor drivingly connected to said first blower; a frame supportingly connected to said refrigerant evaporator heat exchanger, said first blower, said first motor and said housing, said frame being disposed below said housing and extending horizontally substantially beyond said housing; an air cooled condenser section having a refrigerant condenser heat exchanger; a refrigerant compressor; a second blower disposed to pass cooling air over said condenser heat exchanger; a second motor drivingly connected to said second blower; and a support pan means disposed below said compressor and said condenser heat exchanger for supporting said condenser heat exchanger, said compressor, said second blower and said second motor independently of said evaporator section; the extending portion of said frame being disposed below and connected to said support pan means of said condensing unit.
Claim 3
Dependent Claim 108 words
Refrigeration apparatus comprising: a condensing section having a generally rectangular pan-like frame, and an air-cooled refrigerant condenser heat exchanger disposed on said frame and having a plurality of substantially vertical faces adjacent a plurality of margins of said pan-like frame; an evaporator section abutting said condenser section at one of said plurality of vertical faces of said condenser heat exchanger and having a housing including top, bottom and sidewalls, one of said sidewalls being disposed inwardly of the edges of said top and bottom walls to define a channel for conducting condenser cooling air for that portion of said condenser heat exchanger over which said evaporator section lies.
Claim 4
Dependent Claim 108 words
Refrigeration apparatus comprising: a condensing section having a generally rectangular pan-like frame, and an air-cooled refrigerant condenser heat exchanger disposed on said frame and having a plurality of substantially vertical faces adjacent a plurality of margins of said pan-like frame; an evaporator section abutting said condenser section at one of said plurality of vertical faces of said condenser heat exchanger and having a housing including top, bottom and sidewalls, one of said sidewalls being disposed inwardly of the edges of said top and bottom walls to define a channel for conducting condenser cooling air for that portion of said condenser heat exchanger over which said evaporator section lies.
Claim 5
Dependent Claim 30 words
The apparatus as defined by claim 2 including a subframe underlying said evaporator section housing and extending horizontally beyond said housing to support said pan-like frame of said condenser section.
Claim 6
Dependent Claim 148 words
A self-contained air conditioning unit comprising in combination: an air-cooled condenser heat exchanger having a generally vertical face, an air cooling evaporator heat exchanger having a generally vertical face, a first blower disposed to rotate about a vertical axis for passing air through said condenser heat exchanger, a reciprocating compressor having a crankshaft disposed to rotate about a vertical axis, and a centrifugal blower having a cylindrical housing for which the generatrix is vertical and an impeller disposed to rotate within said housing about a vertical axis for passing air through said evaporator heat exchanger, said vertical axes of said first blower, said impeller and said compressor all being spaced horizontally from each other and all being spaced horizontally from said vertical faces of said condenser and evaporator heat exchangers, and said vertical faces of said condenser and said evaporator heat exchangers being spaced horizontally from each other.
Claim 7
Dependent Claim 148 words
A self-contained air conditioning unit comprising in combination: an air-cooled condenser heat exchanger having a generally vertical face, an air cooling evaporator heat exchanger having a generally vertical face, a first blower disposed to rotate about a vertical axis for passing air through said condenser heat exchanger, a reciprocating compressor having a crankshaft disposed to rotate about a vertical axis, and a centrifugal blower having a cylindrical housing for which the generatrix is vertical and an impeller disposed to rotate within said housing about a vertical axis for passing air through said evaporator heat exchanger, said vertical axes of said first blower, said impeller and said compressor all being spaced horizontally from each other and all being spaced horizontally from said vertical faces of said condenser and evaporator heat exchangers, and said vertical faces of said condenser and said evaporator heat exchangers being spaced horizontally from each other.
Claim 8
Dependent Claim 216 words
Refrigeration apparatus comprising: an air-cooled refrigerant condensing section having a generally rectangular pan-like frame, an air-cooled refrigerant condenser heat exchanger disposed on said frame and having a plurality of substantially vertical faces adjacent plural margins of said pan-like frame; and a refrigerant evaporator section abutting said condenser section at one of said plurality of vertical faces of said condenser heat exchanger and having a housing including sidewalls and a generally rectangular bottom wall, a refrigerant evaporator heat exchanger disposed within said housing, a first of said sidewalls being generally parallel to one edge of said rectangular bottom and being provided with air inlet and outlet openings to conduct air to and from said evaporator heat exchanger, a second of said sidewalls disposed opposite said first sidewall having a first portion disposed a relatively greater distance from said first sidewall than a second portion thereof, said second portion of said second sidewall being disposed in face-to-face spaced relationship with said one face of said condenser heat exchanger to thereby define an air conducting channel to said one face of said condenser heat exchanger, and a centrifugal evaporator blower disposed between said one portion of said second sidewall and said first sidewall for passing air from said inlet opening over said evaporator heat exchanger to said outlet opening.
Claim 9
Dependent Claim 216 words
Refrigeration apparatus comprising: an air-cooled refrigerant condensing section having a generally rectangular pan-like frame, an air-cooled refrigerant condenser heat exchanger disposed on said frame and having a plurality of substantially vertical faces adjacent plural margins of said pan-like frame; and a refrigerant evaporator section abutting said condenser section at one of said plurality of vertical faces of said condenser heat exchanger and having a housing including sidewalls and a generally rectangular bottom wall, a refrigerant evaporator heat exchanger disposed within said housing, a first of said sidewalls being generally parallel to one edge of said rectangular bottom and being provided with air inlet and outlet openings to conduct air to and from said evaporator heat exchanger, a second of said sidewalls disposed opposite said first sidewall having a first portion disposed a relatively greater distance from said first sidewall than a second portion thereof, said second portion of said second sidewall being disposed in face-to-face spaced relationship with said one face of said condenser heat exchanger to thereby define an air conducting channel to said one face of said condenser heat exchanger, and a centrifugal evaporator blower disposed between said one portion of said second sidewall and said first sidewall for passing air from said inlet opening over said evaporator heat exchanger to said outlet opening.
Claim 10
Dependent Claim 99 words
Air conditioning apparatus comprising: an evaporator section including a unit housing having top, bottom, and sidewalls, an evaporator heat exchanger disposed within said unit housing, inlet and outlet openings in sidewalls of said unit housing disposed in horizontal side-by-side relationship, a centrifugal blower within said unit housing having a cylindrical housing for which the generatrix is generally vertical and an impeller wheel within said blower housing disposed to rotate about a vertical axis, said evaporator heat exchanger being positioned in a fluid path between said inlet opening of said unit housing and said inlet opening of said blower housing.
Claim 11
Dependent Claim 99 words
Air conditioning apparatus comprising: an evaporator section including a unit housing having top, bottom, and sidewalls, an evaporator heat exchanger disposed within said unit housing, inlet and outlet openings in sidewalls of said unit housing disposed in horizontal side-by-side relationship, a centrifugal blower within said unit housing having a cylindrical housing for which the generatrix is generally vertical and an impeller wheel within said blower housing disposed to rotate about a vertical axis, said evaporator heat exchanger being positioned in a fluid path between said inlet opening of said unit housing and said inlet opening of said blower housing.
Claim 12
Dependent Claim 60 words
The apparatus as defined by claim 6 wherein said bottom wall is generally rectangular and said inlet and outlet opening are disposed in a common plane generally parallel to one edge of said bottom wall and said blower housing extending into the space defined by said blower inlet opening projected inwardly of said unit housing normally of said common plane.

References Cited (Backward Citations)

US2115288A Cited
US2604763A Cited
US2885142A Cited
US2984089A Cited
US3152456A Cited
US3372557A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-05-30 1975-11-29 1976-05-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-05-30 1979-11-29 1980-05-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-05-30 1983-11-29 1984-05-30 $7700.00 Window Closed / Lapsed

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