Valve arrangement

Details Valve arrangement Valve arrangement

1981-07-17

1984-07-31

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

91396, 13762564, 251 30, 251 35, 251 37, 251 634, F15B 13043

Patent

active

044624263

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 frustro-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: 2709421 (1955-05-01), Avery
patent: 2835265 (1958-05-01), Brandstadter
patent: 2973746 (1961-03-01), Jupa
patent: 3177891 (1965-04-01), Reese
patent: 3283667 (1966-11-01), Andersen
patent: 3329159 (1967-07-01), Herion
patent: 3415269 (1968-12-01), Salerno
patent: 3612476 (1971-10-01), Leitgeb

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