Cab heater

Heating systems – Heat and power plants – Vehicle

Patent

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Details

B60H 102

Patent

active

054432081

ABSTRACT:
A conduit for heating the open cab of a tracked vehicle, such as a bulldozer, is formed by cutting a hole in the floor. Heated air flowing across the radiator then is propelled by the fan to pass between the two endless tracks, and enters the operator's compartment. Hinged doors are preferably placed over the opening, thereby covering the same when heating is not required. A filter is placed in the airflow to stop airborne dust. The novel arrangement requires vehicles having, in addition to the usual engine, radiator, and fan, an enclosed engine, including a fire wall or a dashboard panel, and an operator's compartment having a floor. The airway thus employed is protected by preexisting vehicle components, and relatively delicate external air deflectors and conduits prevalent in prior art devices are rendered unnecessary. The fan is adjusted to force air backwardly, for heating in the winter, and forwardly, for ventilating in the summer.

REFERENCES:
patent: 797533 (1905-08-01), Phillipps
patent: 1294438 (1919-02-01), Francisco
patent: 1446725 (1923-02-01), Schamberg
patent: 1600219 (1926-09-01), Eulberg
patent: 1775702 (1930-09-01), Steindler
patent: 1781731 (1930-11-01), Noblitt
patent: 1936776 (1933-11-01), Swain
patent: 2151865 (1939-03-01), Nallinger
patent: 2584329 (1952-02-01), Clapper
patent: 2920829 (1960-01-01), Shane
patent: 3155318 (1964-11-01), Kirkham
patent: 4093119 (1978-06-01), Swisher
patent: 4252271 (1981-02-01), Green
patent: 4612975 (1986-09-01), Ikari
patent: 4615483 (1986-10-01), Sheets
patent: 4874036 (1989-10-01), Masuda

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