B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
303/74
B60T 13/14 (2006.01) B60T 15/00 (2006.01)
Patent
CA 1048086
ACCUMULATOR ARRANGEMENT FOR A BOOSTER BRAKE MECHANISM Abstract A hydraulic booster is provided with a pressure responsive dump valve and check valve arrangement which permits the booster to employ an accumulator ideally responsive to automotive brake applica- tions. The check valve is operable to automatically charge the accu- mulator when the booster fluid source is called upon to supply fluid at operating pressure to the booster or other devices. The dump valve includes a stepped piston arrangement biased into a closed position by backpressure from the fluid source and operable by accumulator pressure to automatically dump the accumulated charge to the booster when source backpressure drops below a predetermined value.
228465
Huffman Herman M.
Jensen Kenneth D.
Swanson Kenneth B.
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