Hydraulic pressure type booster

Details Hydraulic pressure type booster Hydraulic pressure type booster

1998-10-16

2000-12-26

Lopez, F. Daniel

Power plants

Pressure fluid source and motor

Pulsator

B60T 1300

Patent

active

061640700

ABSTRACT:
The collar 13 for slidably supporting and guiding a valve body of the control valve 55 of the hydraulic pressure type booster 1 is press-fitted into the small diameter portion 9a of the stepped hole 9 of the power piston 8. The valve seat member 10 of the control valve 55 is also press-fitted into the small diameter portion 9a. Further, the small diameter protrusion 6b of the stepped cylindrical protrusion 6a of the plug 6, which divides the power chamber 25, is also press-fitted into the small diameter portion 4a of the stepped hole 4 of the housing 3. In the cylindrical member 17 in which the second valve seat 17a of the control valve 55 is formed, the stopper 17b to restrict a limit of retraction of the input shaft 18 is integrally formed. Further, the cylindrical fixing member 11 to fix the flange 10a of the valve seat member 10 is fixed to the power piston 8 with C ring 12 in the axial direction.

REFERENCES:
patent: 3253409 (1966-05-01), Kellogg et al.
patent: 4514981 (1985-05-01), Brown et al.
patent: 5076141 (1991-12-01), Konishi

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