In-line solenoid valve

Details In-line solenoid valve In-line solenoid valve

2007-02-27

2007-02-27

Jacyna, J. Casimer (Department: 3754)

Valves and valve actuation

Electrically actuated valve

Including solenoid

Reexamination Certificate

active

11089082

ABSTRACT:
A flow through solenoid valve comprises a housing, a coil encircling the housing, and a hollow plunger slidably positioned in the housing. The housing has an inlet, a seat, and an outlet. The hollow plunger has a fixed segment and a poppet segment. The poppet segment includes a poppet conduit and is slideable within the housing. The spring encircles the poppet segment and biases the poppet segment toward the seat. The solenoid valve is energized to disengage the poppet segment from the seat. When the poppet and the seat are disengaged, a gas is permitted to flow through the hollow plunger. The solenoid valve is de-energized to engage the poppet segment and the seat. When the poppet and the seat are engaged, the gas is prevented from flowing out of the outlet.

REFERENCES:
patent: 4760832 (1988-08-01), Smith et al.
patent: 6302337 (2001-10-01), Kimmel

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