Atmospheric pressure compensation device

Details Atmospheric pressure compensation device Atmospheric pressure compensation device

1979-09-04

1982-06-01

Walton, George L.

Fluid handling

Ambient condition change responsive

Atmospheric

123437, 261 39A, 261121B, F16K 1736

Patent

active

043322689

ABSTRACT:
An atmospheric pressure compensation device has a reed valve of a resiliently bendable sheet material extending over a flat valve seat which defines therein an opening leading to an air passage to be connected to an air bleed of a carburetor, for example. The angular position of the freely bendable end portion of the reed valve relative to the valve seat is varied by a bellows member which is expansible and contractible in response to variation in the atmospheric pressure, to thereby control the rate of air flow through the opening and the passage to the air bleed. A fulcrum member is disposed in engagement with the reed valve to urge the same against the valve seat. The point of engagement of the fulcrum member with the reed valve is variable along the length thereof to vary the freely bendable length of the reed valve.

REFERENCES:
patent: 2608200 (1952-08-01), Stockman
patent: 2963034 (1960-12-01), Cummins
patent: 3102712 (1963-09-01), Zilk
patent: 3526241 (1970-09-01), Veit
patent: 3589380 (1971-06-01), Gastinne
patent: 3667740 (1972-06-01), Mortstedt
patent: 3817277 (1974-06-01), Wheatley
patent: 3859397 (1975-01-01), Tryon
patent: 3875957 (1975-04-01), Veit et al.
patent: 3987131 (1976-10-01), Hisatomi et al.
patent: 4177224 (1979-12-01), Yamanaka et al.

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