Negative pressure type brake hydraulic pressure generating...

Details Negative pressure type brake hydraulic pressure generating... Negative pressure type brake hydraulic pressure generating...

2005-10-18

2005-10-18

Schwartz, Chris (Department: 3683)

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

Reexamination Certificate

active

06955407

ABSTRACT:
A negative pressure type brake hydraulic pressure generating device is proposed in which the stroke on the operating side can be set independently of the stroke on the output side. A slide resistance imparting means is provided between the fixed shell and a piston having a built-in control valve introducing atmospheric air to cancel the slide resistance which is the cause of increased stroke hysteresis of the piston, i.e. the slide resistance applied to the piston at airtight seal portions between the power plate and the piston.

REFERENCES:
patent: 4198823 (1980-04-01), Mathues et al.
patent: 4417445 (1983-11-01), Furuta
patent: 5531509 (1996-07-01), Kellner et al.
patent: 6244049 (2001-06-01), Oka et al.
patent: 6311492 (2001-11-01), Takayama et al.
patent: 6652040 (2003-11-01), Oka et al.
patent: 2002-173016 (2002-06-01), None

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