F - Mech Eng,Light,Heat,Weapons – 01 – L
Patent
F - Mech Eng,Light,Heat,Weapons
01
L
123/1, 123/186
F01L 13/06 (2006.01)
Patent
CA 1328384
ABSTRACT OF THE INVENTION A process and apparatus are provided to increase the retarding horsepower of a compression release engine retarder driven from the exhaust valve pushtube or the fuel injector pushtube. The mechanism includes a plenum communicating with the exhaust valve slave piston and the master piston driven by a remote exhaust valve pushtube or the fuel injector pushtube. A trigger check valve is located between the master piston and exhaust valve slave piston so that the initial motion of the master piston delivers energy to the plenum. At a predetermined point in the travel of the master piston, the trigger check valve is opened by the master piston to permit the delivery of the energy stored in the plenum to the valve piston. Additional pumping capability is pro- vided by a second master piston while a control check valve communicating with the second master piston limits the intake of hydraulic fluid into the system after working pressures have been attained to that hydraulic fluid which may leak from the system. The process includes cyclically storing energy in the plenum, releasing the stored energy from the plenum at a predetermined point in the travel of the master piston driven by the exhaust or fuel injector push- tube and directing the stored energy to the slave piston whereby the exhaust valve is opened rapidly at a predetermined time.
538943
Meistrick Zdenek Sidonius
Quenneville Raymond Noel
Jacobs Manufacturing Company (the)
Smart & Biggar
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