Reversing orifice assembly for a solenoid operated valve assembl

Details Reversing orifice assembly for a solenoid operated valve assembl Reversing orifice assembly for a solenoid operated valve assembl

1984-01-06

1987-06-09

Lyddane, William E.

Valves and valve actuation

With material guide or restrictor

25112915, 13762533, F16K 4700

Patent

active

046714880

ABSTRACT:
A single stage solenoid operated valve assembly of the cartridge type having a reversing flow orifice assembly with a side port, bottom port and an orifice. A poppet is adapted to seat in and close the orifice for controlling fluid flow between the side and bottom ports. A transverse flow passage provides fluid communication between the side port and the orifice and a pair of longitudinal flow passages provide fluid communication between the bottom port and a chamber above the poppet. An axis normal to the longitudinal axis of both longitudinal flow passages is also normal to the axis of the transverse flow passage. In this way pressure over the poppet is provided when fluid pressure is applied to the bottom port and pressure under the poppet is provided when fluid pressure is applied to the side port.

REFERENCES:
patent: 2936780 (1960-05-01), Pratt
patent: 3936030 (1976-02-01), Putschky

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