Progressive-starting unit for pneumatic systems

Details Progressive-starting unit for pneumatic systems Progressive-starting unit for pneumatic systems

2007-05-01

2007-05-01

Kershteyn, Igor (Department: 3745)

Motors: expansible chamber type

Fluid supply through diverse paths to single expansible chamber

Second path activated in response to pressure or flow in...

C091S446000, C091S468000, C137S110000

Reexamination Certificate

active

11013175

ABSTRACT:
A progressive-starting unit for pneumatic circuits comprises a line inlet and a line outlet interconnected with each other by a regulating valve that is piloted by a pneumatic piloting inlet. The piloting inlet is controlled by the outlet of a progressive-starting device having an inlet connected upstream of said regulating valve. In this manner a progressive-starting unit is obtained which is insensitive to the conditions downstream of its line outlet.

REFERENCES:
patent: 2998825 (1961-09-01), Gleason et al.
patent: 4402254 (1983-09-01), Petrimaux et al.
patent: 4640311 (1987-02-01), Martinet et al.
patent: 4915126 (1990-04-01), Gyllinder
patent: 5038813 (1991-08-01), Rossow
patent: 55126107 (1980-09-01), None

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