Valve arrangement

Details Valve arrangement Valve arrangement

1984-01-09

1985-01-15

Michalsky, Gerald A.

Valves and valve actuation

Fluid actuated or retarded

Piston type expansible chamber reciprocating valve actuator

251 35, 251 37, 251 42, 251 43, F16K 31124

Patent

active

044934734

ABSTRACT:
"A poppet valve assembly includes a valving element in the form of a freely slidable poppet, a freely slidable pilot piston having an elongated integral pin extending axially toward the poppet, but unconnected thereto, and an integral elongated spear, with a frusto-conical portion, extending axially in the opposite direction. In a spool valve, the spool is the valving element and has the above elements at each opposite end of the spool, namely a pilot piston with an integral pin unconnected to the spool at the inner end of the pilot piston and an integral spear, with a frustro-conical portion at the outer end of the pilot piston".

REFERENCES:
patent: 2973746 (1961-03-01), Jupa
patent: 3177891 (1965-04-01), Reese
patent: 3612476 (1971-10-01), Leitgeb

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