Exhaust braking system for an internal combustion engine

Details Exhaust braking system for an internal combustion engine Exhaust braking system for an internal combustion engine

1984-10-26

1985-12-03

Cuchlinski, Jr., William A.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

123345, 123346, F02D 906

Patent

active

045560277

ABSTRACT:
An exhaust braking system used with an internal combustion engine has an inlet valve an exhaust valve, an exhaust brake connected in an exhaust system connected with the exhaust valve, and an actuator connected in a fluid circuit with the exhaust brake. The exhaust brake is closed to retard the rotational speed of the engine and an induction valve connected in an induction passage to the inlet valve and in the fluid circuit with the exhaust brake is also operated to facilitate engine speed retardation. Timing apparatus is connected with the induction valve and exhaust brake to ensure the exhaust brake is closed no later than the closing of the induction valve, while a non-return valve is connected in the induction passage to facilitating an increase in pressure within a piston cylinder of the engine and hence increase the engine retardation. A pressure sensitive device connected in the induction passage or exhaust system controls the maximum pressure of the braking system. Preferably, the pressure sensitive means is a pressure release valve. The method of operating the exhaust braking system is also disclosed.

REFERENCES:
patent: 3963379 (1976-06-01), Ueno
patent: 4204512 (1980-05-01), Brock, Jr.
patent: 4354464 (1982-10-01), Fujita
patent: 4393831 (1983-07-01), Bergmann et al.

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