Combination air cylinder and hydraulic slack adjuster

Details Combination air cylinder and hydraulic slack adjuster Combination air cylinder and hydraulic slack adjuster

B - Operations, Transporting

61

H

188/62

B61H 15/00 (2006.01) B60T 13/44 (2006.01) B61H 13/22 (2006.01) F16D 65/74 (2006.01) F16D 66/02 (2006.01)

Patent

CA 1198377

COMBINATION AIR CYLINDER AND HYDRAULIC SLACK ADJUSTER ABSTRACT OF THE DISCLOSURE A combination air brake cylinder and hydraulic slack adjuster for a railroad car brake system includes an air operated piston positioned within a housing. There is an air port in the housing in communication with the air piston and there is a return spring in the housing operable upon the air piston. The housing includes a fluid outlet port and fluid piston and valve means within the housing connected to the air piston and responsive to brake application movement thereof to supply a brake shoe application fluid pressure at said outlet. A fluid reservoir is associated with the fluid piston and valve means and has check valve controlled connecting passages thereto for adjusting slack in the brake rigging during brake application functions. - 1 -

431293

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