Fluid handling – Systems – Sequentially progressive opening or closing of plural valves
Patent
1988-01-22
1989-04-11
Garrett, Robert E.
Fluid handling
Systems
Sequentially progressive opening or closing of plural valves
123323, 188273, 251 84, 251326, F16K 302
Patent
active
048196967
ABSTRACT:
Herein disclosed is a slide type exhaust brake system. In this system, a plate valve member having an exhaust pressure regulating port extending through its surface is fitted in an exhaust brake body housing having a valve member reciprocation passage extending generally at a right angle from and communicating with an exhaust flow passage having exhaust pipe joint walls projecting at its two side end portions. Moreover, a pressure regulating valve is so fastened to the leading end of the piston rod of an air cylinder mechanism extending from the end portion of the reciprocation passage as to engage with the valve member so that, upon closure of the exhaust flow passage by the valve member, the exhaust pressure regulating port is closed by the pressure regulating valve and the valve member is pushed by the leading end portion of the piston rod, whereas, upon opening of the exhaust flow passage, the exhaust pressure regulating port is opened by the pressure regulating valve and the pressure regulating valve comes into engagement with the valve member to pull up the same. The pressure regulating valve includes: a pressure regulating valve seal carrier having a generally C-shaped section and attached to the front face of a block member engaging with the valve member; and a pressure regulating valve seal fitted loosely in the seal carrier and sliding to fit closely on the abutting face of the seal carrier at the side of the valve member.
REFERENCES:
patent: 181677 (1876-08-01), Hendrickson
patent: 4054156 (1977-10-01), Benson
patent: 4205704 (1980-06-01), Benson
patent: 4553648 (1985-11-01), Suzuki et al.
patent: 4643226 (1987-02-01), Balz
Suzuki Ryoichi
Takikawa Kazunori
Casella Anthony J.
Garrett Robert E.
Hespos Gerald E.
Usui Kokusai Sangyo Kabushiki Kaisha
Williamson Mark A.
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