Cylinder entrapment system with an air spring

Details Cylinder entrapment system with an air spring Cylinder entrapment system with an air spring

F - Mech Eng,Light,Heat,Weapons

02

M

123/244

F02M 67/04 (2006.01) F02M 69/08 (2006.01)

Patent

CA 1338257

Disclosed herein is an internal combustion engine comprising a cylinder, a piston reciprocal in the cylinder, an accumulation chamber, a supply conduit including a check valve and extending between the cylinder and the accumulation chamber, a supply valve having a valve head located between the cylinder and the check valve and operable between an open position and a closed position to control gas flow from the cylinder through the supply conduit to the accumulation chamber, and a device responsive to the pressure in the accumulation chamber and in the cylinder for selectively moving the supply valve relative to the open position and the closed position, which device for moving the supply valve comprises a secondary chamber, a passage extending from the accumulation chamber to the secondary chamber and including means for restrictively supplying gas from the accumulation chamber to the secondary chamber at a rate lower than the rate at which gas is supplied to the accumulation chamber from the cylinder, a bore extending between the secondary chamber and the supply conduit at a location between the cylinder and the check valve, and a diaphragm defining a wall of the secondary chamber to prevent gas flow through the bore between the supply conduit and the secondary chamber and connected to the supply valve so that the diaphragm disposes the supply valve to the open position in the

612085

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