Valve and solenoid valve operated by very small force

Details Valve and solenoid valve operated by very small force Valve and solenoid valve operated by very small force

1991-11-12

1993-05-11

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Including solenoid

2511292, 251 75, 251 86, 251 87, F16K 148, F16K 3106

Patent

active

052094553

ABSTRACT:
There are provided a valve which is opened by an improved two-step motion, a valve which operates positively without leakage of fluid even when the difference in pressure between inlet and outlet of the valve is very small, and an improvement of a solenoid valve using those valves.
The present invention relates to small-sized opening/closing valve and solenoid valve capable of being operated by very small force and electric power using a dry cell or the like, and is suitable to a solenoid valve for automatic opening/closing control which is used in city gas appliances, etc.

REFERENCES:
patent: 2827923 (1958-03-01), Sadler
patent: 4008876 (1977-02-01), Bastle
patent: 4759331 (1988-07-01), Sausner
patent: 4790346 (1988-12-01), Kolze et al.

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