Quick-action valve

Details Quick-action valve Quick-action valve

1998-12-30

1999-10-19

Lee, Kevin

Valves and valve actuation

Heat or buoyancy motor actuated

25112906, 251 76, F16K 3102

Patent

active

059674857

ABSTRACT:
The valve has a chamber (11) in a housing (10), wherein a valve seat (17) closed by a valve body (19) is arranged. The valve seat (17) is abruptly moved by an actuator (15), the valve body (19) not being able to follow due to its inertia and the valve seat (17) being opened a little. Thereafter, the valve body (19) hits a plunger (20) moved by the actuator (15) together with the valve seat (17). By this impact, the valve body (19) is moved fully off from the valve seat (17) so that the outflow opening (13) is cleared entirely. Then, the flow drives the valve body (19) back into the closed position. Using this valve, short switching periods with a large valve opening degree may be achieved.

REFERENCES:
patent: 3884417 (1975-05-01), Sheffield et al.
patent: 3995813 (1976-12-01), Bart et al.
patent: 4684104 (1987-08-01), Micard
patent: 4762300 (1988-08-01), Inagaki et al.
patent: 5037062 (1991-08-01), Neuhaus
patent: 5217037 (1993-06-01), Bristol
patent: 5314118 (1994-05-01), Lembke
patent: 5417142 (1995-05-01), Lohmann
European Search Report PCT/EP98/05091.

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