Engine coolant fill-valve with bypass

Details Engine coolant fill-valve with bypass Engine coolant fill-valve with bypass

1993-12-30

1995-03-07

Tapoical, William E.

Automatic temperature and humidity regulation

Thermostatic

Expanding solid

285924, F01P 714

Patent

active

053950410

ABSTRACT:
An internal combustion engine fitting containing a thermostatically controlled valve regulating the flow therethrough is formed by two parts interconnectable by relative rotation through a bayonet type connection. The bayonet connection utilizes two stages wherein the first stage maintains the parts connected but a bypass passage defined between the parts permits the flow of coolant through the fitting around the valve to initially permit the engine coolant system to be filled. After the coolant system is filled, the fitting parts are rotated to a final closed position sealing the bypass passage permitting the thermostatic valve to control flow through the fitting during normal engine operation. The fitting parts remain sealed to the atmosphere during both stages of interconnection.

REFERENCES:
patent: 4022377 (1977-05-01), Wagner et al.
patent: 4052965 (1977-10-01), Morris
patent: 4193542 (1980-03-01), Knauss
patent: 4347973 (1982-09-01), Jackson
patent: 4379574 (1983-04-01), Leichtl
patent: 4643134 (1987-02-01), Schizlein
patent: 4944536 (1990-07-01), Bartholomew
patent: 4960153 (1990-10-01), Bergsma
patent: 5135264 (1992-08-01), Elliott-Moore

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