Electromagnetic shuttle valve

Details Electromagnetic shuttle valve Electromagnetic shuttle valve

2007-04-03

2007-04-03

Keasel, Eric (Department: 3753)

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

C251S038000

Reexamination Certificate

active

11159041

ABSTRACT:
An electromagnetic shuttle valve with two valve passages (5, 6) provides an increased cross-section of the second valve passage (6) by increasing the diameter of the second valve closure member (8). To this end, a compression spring (17) which biases the second valve closure member towards the first valve closure member (7) is arranged inside the second valve closure member (8) and the second valve seat (27). It abuts a radial projection formed on the housing sleeve (1) below the second valve seat (27). In order to provide an even larger cross-section of the second valve passage (6), the housing sleeve diameter can increase around the second valve seat (27). In this case, the housing sleeve can include a bulged collar9to provide a stop for axial movement during assembly.

REFERENCES:
patent: 2251441 (1941-08-01), Dillman
patent: 3103337 (1963-09-01), Forte
patent: 5564673 (1996-10-01), Pieren
patent: 5735582 (1998-04-01), Eith et al.
patent: 5810330 (1998-09-01), Eith et al.
patent: 5865213 (1999-02-01), Scheffel et al.
patent: 6755390 (2004-06-01), Masuda et al.
patent: 10252231 (2003-11-01), None

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