Engine cooling system thermostat and method of making the same

Details Engine cooling system thermostat and method of making the same Engine cooling system thermostat and method of making the same

1979-03-28

1981-02-03

Tapolcai, Jr., William E.

Automatic temperature and humidity regulation

Cooling radiator

Bypass

285175, 403350, G05D 2312

Patent

active

042483743

ABSTRACT:
A vehicle type thermostat having a housing provided with a valve seat that is controlled by a movable valve member is interconnected to a temperature responsive device carried by the housing, the housing having interference fit positioning abutments thereon for rotationally orienting the housing in a vehicle engine cooling system whereby the structure of the thermostat can be disposed in a desired rotational position within the engine cooling system. The housing includes a relatively short annular skirt disposed intermediate the opposed ends of the housing and having the positioning abutments thereon. The housing includes a spring retainer having an annular spring seat portion defining one of the opposed ends of the housing and having a pair of strap portions respectively extending from the spring seat portion to adjacent the annular skirt. A retaining member for positioning the thermostat in an outlet housing of an engine cooling system is secured to the strap portions.

REFERENCES:
patent: 2157770 (1939-05-01), Mayo
patent: 2284847 (1942-06-01), Raymond
patent: 2323533 (1943-07-01), Giesler
patent: 2397382 (1946-03-01), Smith
patent: 2949692 (1960-08-01), Kuhn
patent: 3173442 (1965-03-01), McKillip
patent: 3667788 (1972-06-01), Greenwood

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