Device for bleeding or for draining a heat exchanger, such as a

Details Device for bleeding or for draining a heat exchanger, such as a Device for bleeding or for draining a heat exchanger, such as a

1987-02-11

1988-01-05

Walton, George L.

Valves and valve actuation

With correlated flow path

Tank

74 56, 220300, 220304, 251252, F16K 31524, B65D 4102

Patent

active

047171197

ABSTRACT:
The device comprises a stopper having an operating head (10), an intermediate portion (12) bearing a sealing ring, and a tail (14) formed with radial ribs which co-operate with slopes in the orifice in which the stopper is to be mounted, a portion (30) of said radial ribs being obliquely oriented so that rotation of the stopper about its axis gives rise to longitudinal translation along said axis. The invention is particularly applicable to devices for bleeding or for emptying the radiators of motor vehicles.

REFERENCES:
patent: 858771 (1907-07-01), Whitehouse
patent: 3578285 (1969-06-01), Carlton
patent: 3811650 (1974-05-01), Dehar
patent: 3910550 (1975-10-01), Nelson
patent: 3913783 (1975-10-01), Cooper
patent: 4099645 (1978-07-01), Muth et al.
patent: 4193575 (1980-03-01), Burgess

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