Vacuum booster for automobiles

Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

91376R, 92 84, F15B 910

Patent

active

047577487

ABSTRACT:
A vacuum booster including a push rod, a housing having a first and second compartments, a power piston located in the housing and operated by a pressure differential between the first and second compartments and including a small and large diameter opening portion, a control valve operatively associated with the push rod and located within the power piston for controlling the pressure differential between the first and second compartments in response to movement of the push rod, an output member having a rear end portion slidably disposed within the large diameter opening portion of the power piston, a valve plunger provided in the control valve and having one end slidably disposed in the small diameter opening of the power piston, a resilient reaction disc located adjacent the rear end portion of the output member and disposed within the large diameter portion of the power piston, and an elastic member disposed between the rear end portion of the output member and the power piston and defining a position of the output member for the power piston to form a predetermined gap in an axial direction between the resilient reaction disc and the output member when the vacuum booster is not operated.

REFERENCES:
patent: 3543298 (1970-11-01), Rockwell
patent: 4347779 (1982-09-01), Belart
patent: 4437390 (1984-03-01), Ohta
patent: 4494443 (1985-01-01), Tsubouchi

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Vacuum booster for automobiles does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Vacuum booster for automobiles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vacuum booster for automobiles will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-591458

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.