Multiway valve

Details Multiway valve Multiway valve

1978-09-25

1980-07-15

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

13762566, 251 615, F15B 13042, F16K 1104

Patent

active

042123208

ABSTRACT:
A multiway valve having a housing with an axially movable main valve body reciprocally mounted therein between first and second positions. The main valve body is received in a main valve chamber and a control valve chamber. A flexible and axially movable diaphragm is connected to and extends between the housing and the main valve body to block the communication between the main valve chamber and the control valve chamber. The housing has a working port and a main vent bore therein communicating with each other past a valve seating structure on the housing and the main housing valve body which controls communication therebetween in response to movements of the main valve body between the first and second positions. One side of the diaphragm is in communication with the main vent bore at all times. A passageway is provided in the housing and a valve is disposed in the passageway for controlling the supply of pressurized fluid to the control valve chamber. An annular spring having radially inwardly extending resilient arms thereon is mounted in said control valve chamber adjacent the diaphragm. An annular member is disposed between the annular spring and the diaphragm with the resilient arms engaging the annular member to urge same toward the diaphragm.

REFERENCES:
patent: 2913005 (1959-11-01), Grant et al.
patent: 4046159 (1977-09-01), Pegourie
patent: 4066101 (1978-01-01), deFries
patent: 4078580 (1978-03-01), Rudle

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