Master cylinder of brake

Details Master cylinder of brake Master cylinder of brake

2011-01-04

2011-01-04

Lazo, Thomas E (Department: 3745)

Power plants

Pressure fluid source and motor

Pulsator

C060S588000

Reexamination Certificate

active

07861524

ABSTRACT:
A master cylinder of a brake is disclosed. The master cylinder includes a cylinder body connected with an oil tank and defining therein a first pressure chamber and a second pressure chamber, which are separated from each other by a partition, a first piston to perform reciprocating movements in the first pressure chamber, a second piston to perform reciprocating movements in the second pressure chamber, a first return spring to elastically support the first piston in the first pressure chamber, and a second return spring to elastically support the second piston in the second pressure chamber. The first piston has a plurality of recesses formed at one end thereof to assure smooth supply of oil during braking. The master cylinder has the effects of assuring smooth supply of brake oil during braking, and preventing fluctuation of a piston therein.

REFERENCES:
patent: 6318082 (2001-11-01), Hirayama
patent: 6463737 (2002-10-01), Inoue et al.
patent: 6907732 (2005-06-01), Masuda et al.
patent: 7040093 (2006-05-01), Legret et al.
patent: 7055322 (2006-06-01), Yasuda et al.
patent: 2003/0201417 (2003-10-01), Ahn
patent: 2005/0067896 (2005-03-01), Kim et al.
patent: 2007/0296270 (2007-12-01), Park
patent: 2009/0090105 (2009-04-01), Taira
patent: WO 2006126619 (2006-11-01), None

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