Pressurization device for the cooling system of a heat engine

Details Pressurization device for the cooling system of a heat engine Pressurization device for the cooling system of a heat engine

1983-05-12

1984-10-23

Cuchlinski, Jr., William A.

Internal-combustion engines

Cooling

123 4154, 220203, 220303, F01P 1102, B65D 5116

Patent

active

044781784

ABSTRACT:
This invention has as its object a pressurization device for a cooling system of a heat engine. According to the invention, the device (10) includes two pressure relief valves (20, 30) mounted in a series, a chamber (32) between the pressure relief valves (20, 30), and a source (34) of gas under pressure connected to the chamber (32). The expansion chamber (12) is not subjected to the scavenging of the pressurization gas, and the maximum value of the pressurization is equal to the sum of the values of the calibrations of the two pressure relief valves (20, 30).

REFERENCES:
patent: Re27965 (1974-04-01), Avrea
patent: 3062400 (1962-11-01), Humbert
patent: 3071285 (1963-01-01), Friend
patent: 3162182 (1964-12-01), Gratzmuller
patent: 3171392 (1965-03-01), Alfieri
patent: 3910451 (1975-10-01), Tusing
patent: 4023583 (1977-05-01), Parkinson
patent: 4241845 (1980-12-01), Daly et al.

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