Jump force vacuum booster

Details Jump force vacuum booster Jump force vacuum booster

2007-12-04

2007-12-04

Kershteyn, Igor (Department: 3745)

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

C091S434000, C060S552000

Reexamination Certificate

active

10952297

ABSTRACT:
The invention provides a method and apparatus wherein the apparatus includes a housing having a first end and a second end. The housing also includes a first aperture and a second aperture. The first aperture is positioned to communicate with a first fluid source at a first pressure. The second aperture is positioned to communicate with a second fluid source at a second pressure. The first pressure is greater than the second pressure. The apparatus also includes a first piston disposed in the housing. The first piston is moveable between the first and second ends. The first piston includes a front surface communicating with the second aperture and a back surface communicating with the first aperture. The first piston also includes a first passageway communicating with the front and back surfaces. The apparatus also includes a three-way valve fluidly disposed between the first aperture and the back surface and between the front surface and the back surface. The apparatus also includes an output rod immovably associated with the first piston and extending away from said front surface.

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