Master cylinder with two-piece master piston

Details Master cylinder with two-piece master piston Master cylinder with two-piece master piston

1992-03-24

1993-02-02

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

123 9016, F02D 1304

Patent

active

051830183

ABSTRACT:
An improved master cylinder for use with an engine compression braking system includes a two-piece telescoping piston which traps a column of fluid therewithin to establish a solid column or piston for a limited length of travel of the piston. Upon achieving a particular predetermined displacement, the fluid column trapped within the two-piece piston is released, thus rapid piston movement is achieved without overtravel which may open exhaust valves of the engine to a distance wherein interference with the piston occurs. The two-piece telescoping piston is actuated in accordance with an injector pushtube or other combinations such as exhaust or intake valve cam/pushtubes.

REFERENCES:
patent: 4248045 (1981-02-01), Turner
patent: 4496033 (1985-01-01), Hall et al.
patent: 4648365 (1987-03-01), Bostelman
patent: 4706625 (1987-11-01), Meistrick et al.
patent: 4711210 (1987-12-01), Reichenbach
patent: 5000145 (1991-03-01), Quenneville
patent: 5105782 (1992-04-01), Meneely

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