FIELD: machine building.
SUBSTANCE: wheel overheating protection valve includes a body forming a passage for the piston, and at least one piston located in the piston passage, the first biasing element located on the first end of at least one piston and shifted to second end of at least one piston, brake line in fluid communication with second end of at least one piston, brake cylinder in fluid communication with second end of at least one piston and outlet port formed in housing and located between first and second ends of valve. Fluid medium under pressure can be withdrawn from brake cylinder by means of outlet port at combination of braking cylinder pressure and brake line pressure exceeding force applied by first displacement element.
EFFECT: by releasing pressure from brake cylinder, state of wheel overheating is excluded.
17 cl, 9 dwg
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