Lost motion pilot valve for diaphragm pump

Details Lost motion pilot valve for diaphragm pump Lost motion pilot valve for diaphragm pump

1995-04-24

1996-09-03

Thorpe, Timothy S.

Pumps

Motor driven

Fluid motor

251 77, 91309, 91314, F04B 3502

Patent

active

055518478

ABSTRACT:
A mechanical shift pilot valve is provided with lost motion response to accommodate slight piston reversals at travel limits to prevent a false shift signal related thereto.

REFERENCES:
patent: 545368 (1895-08-01), Miller
patent: 3791768 (1974-02-01), Wanner
patent: 4854832 (1989-08-01), Gardner et al.
patent: 5232352 (1993-08-01), Robinson
patent: 5470209 (1995-11-01), Hartley et al.

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