US4397348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator baffle
Assignee: Komatsu America International Co
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Filing: 1981-03-16
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Granted: 1983-08-09
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Expires: 2001-03-16
Abstract
Abstract A vehicle heat exchanger system having air stream suppressing baffles detachably mounted in top and lateral and bottom clearance spaces formed by transverse top and lateral vertical sides of an air plenum and a draped enclosure structure and by a transverse bottom side of the plenum and a transverse member of the vehicle chassis frame.
Inventors
- 👤 John E. Klem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:08
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
245 words
In a material handling vehicle having an engine mounted on a chassis frame, a coolant heat exchanger system comprising an engine driven fan, a bell-shaped shroud encircling the fan, wall means defining an air plenum connected to an air intake side of the shroud, a support frame mounted on a cross member of the chassis frame and connected to an air intake side of the wall means defining an air plenum, a heat exchanger means confined within and mounted to the support frame, an engine enclosure structure draped over the wall means defining an air plenum and support frame and mounted to the chassis frame, a grille longitudinally spaced from an air intake side of the heat exchanger means and connected to the enclosure structure and mounted to the chassis frame, and non-load-supporting top and side air stream supressing baffles comprising panels of elastomeric material having a high degree of surface conformability disposed in the clearance spaces between the transverse top and lateral vertical sides of the wall means defining an air plenum and the adjacent inner surfaces of said engine enclosure structure, and an air stream supressing bottom baffle disposed between the bottom portion of the wall means defining an air plenum and the cross member of the chassis frame, said top and side baffles forming a substantially complete air barrier between said wall means defining a plenum and said enclosure structure for suppressing aspiration of fan induced cooling air through the clearance spaces.
Claim 2
Dependent Claim
245 words
In a material handling vehicle having an engine mounted on a chassis frame, a coolant heat exchanger system comprising an engine driven fan, a bell-shaped shroud encircling the fan, wall means defining an air plenum connected to an air intake side of the shroud, a support frame mounted on a cross member of the chassis frame and connected to an air intake side of the wall means defining an air plenum, a heat exchanger means confined within and mounted to the support frame, an engine enclosure structure draped over the wall means defining an air plenum and support frame and mounted to the chassis frame, a grille longitudinally spaced from an air intake side of the heat exchanger means and connected to the enclosure structure and mounted to the chassis frame, and non-load-supporting top and side air stream supressing baffles comprising panels of elastomeric material having a high degree of surface conformability disposed in the clearance spaces between the transverse top and lateral vertical sides of the wall means defining an air plenum and the adjacent inner surfaces of said engine enclosure structure, and an air stream supressing bottom baffle disposed between the bottom portion of the wall means defining an air plenum and the cross member of the chassis frame, said top and side baffles forming a substantially complete air barrier between said wall means defining a plenum and said enclosure structure for suppressing aspiration of fan induced cooling air through the clearance spaces.
Claim 3
Dependent Claim
28 words
The vehicle heat exchanger system according to claim 1 or claim 12 or claim 19, wherein: the bottom baffle panel is made from a non-liquid absorbing elastomeric material.
Claim 4
Dependent Claim
43 words
The vehicle heat exchanger system according to claim 1, wherein: two structural upright beams are respectively connected to the lateral vertical sides of the air plenum and carry a plurality of vertically spaced apart pins on which the side baffle panels are impaled.
Claim 5
Dependent Claim
41 words
The vehicle heat exchanger system according to claim 3, wherein: the structural beams are right angle members having one angle arm respectively connected to the lateral vertical sides of the air plenum and the pins connected to a second angle arm.
Claim 6
Dependent Claim
10 words
The vehicle heat exchanger system according to claim 4, wherein:
Claim 7
Dependent Claim
21 words
the second angle arm pins are mounted to an outer side of each second angle arm and face toward the grille.
Claim 8
Dependent Claim
21 words
the second angle arm pins are mounted to an outer side of each second angle arm and face toward the grille.
Claim 9
Dependent Claim
38 words
The vehicle heat exchanger system according to claim 5, wherein: second angle arm spring nuts are fastened to the second angle arm pins securing the impaled side baffle panels to the outer sides of the second angle arms.
Claim 10
Dependent Claim
63 words
The vehicle heat exchanger system according to claim 1, wherein: the top baffle panel is detachably mounted to each of the side baffle panels by two laterally spaced apart staple plates, the staple plates having two spaced apart rows of pins impaling the top and lateral side baffle panels on opposite sides of a juncture between the top and lateral side baffle panels.
Claim 11
Dependent Claim
27 words
The vehicle heat exchanger system according to claim 7, wherein: the two spaced apart rows of staple plate pins on each staple plate face toward the grille.
Claim 12
Dependent Claim
35 words
The vehicle heat exchanger system according to claim 8, wherein: staple plate spring nuts are fastened over the rows of staple plate pins securing the impaled top and lateral side baffle panels to one another.
Claim 13
Dependent Claim
47 words
The vehicle heat exchanger system according to claim 1, wherein: the transverse bottom of the air plenum slopes upwardly towards the air intake side of the shroud and the bottom baffle panel is provided with a beveled top edge engaging the sloping bottom of the air plenum.
Claim 14
Dependent Claim
33 words
The vehicle heat exchanger system according to claim 10, wherein: the bottom baffle panel is provided with a plurality of holes through which pass a plurality of heat exchanger connected tubes and hoses.
Claim 15
Dependent Claim
33 words
The vehicle heat exchanger system according to claim 7, wherein: the top baffle panel is provided with a plurality of holes through which pass a plurality of heat exchanger connected tubes and hoses.
Claim 16
Dependent Claim
49 words
The vehicle heat exchanger system according to claim 1, wherein: two structural upright beams are respectively mounted to the lateral vertical sides of the air plenum, each upright beam carrying a row of vertically spaced apart pins piercing and pinning the side baffle panels to the respective upright beam.
Claim 17
Dependent Claim
24 words
The vehicle heat exchanger system according to claim 13, wherein: the top baffle panel is bridged between and is stapled to the side panels.
Claim 18
Dependent Claim
63 words
The vehicle heat exchanger system according to claim 14, wherein: the top baffle panel is stapled to the side baffle panels by two pin carrying plates respectively mounted across the junctures of the top and side baffle panels, each plate having a pair of pins spaced on opposite sides of the respective juncture piercing and pinning the top and side baffle panels together.
Claim 19
Dependent Claim
32 words
The vehicle heat exchanger system according to claim 15, wherein: the pins on the upright beams and the pins on the plates are capped by spring nuts and face toward the grille.
Claim 20
Dependent Claim
32 words
The vehicle heat exchanger system according to claim 16, wherein: the top and bottom baffle panels are provided with a plurality of openings through which pass heat exchanger connected tubes and hoses.
Claim 21
Dependent Claim
34 words
The vehicle heat exchanger system according to claim 17, wherein: the bottom baffle panel is provided with a beveled top edge engaging a bottom side of the air plenum sloping upwardly towards the shroud.
Claim 22
Dependent Claim
30 words
The vehicle heat exchanger system according to claim 18, wherein: the bottom baffle panel is bridged between and is stapled to the side panels by two additional pin carrying plates.
Claim 23
Dependent Claim
20 words
The vehicle heat exchanger system according to claim 9 or claim 16 or claim 19 wherein: the plates are quadripinned.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-08-08 | 1987-02-07 | 1987-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-08 | 1991-02-07 | 1991-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-08 | 1995-02-07 | 1995-08-09 | $7700.00 | Window Closed / Lapsed |