Hydraulic slack adjuster and brake circuits therefor

Details Hydraulic slack adjuster and brake circuits therefor Hydraulic slack adjuster and brake circuits therefor

1974-06-21

1976-05-11

Schwadron, Martin P.

Power plants

Pressure fluid source and motor

Pulsator

188196A, F16D 6574

Patent

active

039553701

ABSTRACT:
The disclosure concerns a hydraulic slack adjuster useful in the brake circuits of railway as well as road vehicles, and improved brake circuits and apparatus particularly suited to the needs of railway rapid transit service. One type of circuit incorporates the slack adjuster in combination with a simple air-to-hydraulic booster and defines a portion of a service brake, and another type utilizes this apparatus in combination with a hand brake control unit and a double check valve and enables the brake cylinders to perform both service braking and hand braking functions.

REFERENCES:
patent: 2345811 (1944-04-01), Hays
patent: 2523172 (1950-09-01), Wilson
patent: 2544849 (1951-03-01), Martin
patent: 2593192 (1952-04-01), Rockwell
patent: 2688335 (1954-09-01), Gunderson
patent: 2924945 (1960-02-01), Oswalt
patent: 2928508 (1960-03-01), Rockwell
patent: 3161024 (1964-12-01), Ryskamp
patent: 3208224 (1965-09-01), Hoekstra

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