Penetration master cylinder with reduced backlash and...

Details Penetration master cylinder with reduced backlash and... Penetration master cylinder with reduced backlash and...

2006-05-09

2006-05-09

Lazo, Thomas E. (Department: 3745)

Power plants

Pressure fluid source and motor

Pulsator

C060S586000

Reexamination Certificate

active

07040093

ABSTRACT:
This invention relates to a master cylinder of the so-called “penetration” type, in which a cup (3), which is fitted inside a groove (11) of the master cylinder, bears on the wall (20) of a piston (2) in a sealing manner, and in which such wall (20) is provided with main resupply ports (51).According to the invention, the wall (20) of the piston (2) also comprises secondary resupply ports (52) having a smaller size than that of the main resupply ports (51) and disposed farther from the bottom part (33) of the cup (3), and achieving an outstanding static resupply of the master cylinder with brake fluid, with a reduced dynamic dead stroke.

REFERENCES:
patent: 4934250 (1990-06-01), Siegel
patent: 6550246 (2003-04-01), Barr et al.
patent: 918005 (1999-05-01), None

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