F - Mech Eng,Light,Heat,Weapons – 02 – G
Patent
F - Mech Eng,Light,Heat,Weapons
02
G
60/31
F02G 1/06 (2006.01) F02G 1/044 (2006.01) F02G 1/045 (2006.01)
Patent
CA 1046292
HOT GAS ENGINE ABSTRACT: A multi-cylinder self-starting hot gas engine consists of two parallel pairs of opposed dis- placer cylinders with respective displacer members mounted for movement therein and two parallel pairs of opposed work cylinders disposed parallel to the displacer cylinders and having respective pistons arranged to reciprocate therein; each work cylinder communicating with a respective dis- placer cylinder to provide a cold end chamber. An output drive is connected to the pistons. First and second trans- mission means connect the displacers and pistons respective- ly for synchronized movement offset in phase within the respective cylinders. An adjustable phase displacer inter- connects the first and second transmission means for ad- justing the phase relation of the displacers with respect to their associated pistons from an in-phase condition in which no torque is applied to or from the output drive to an optimum-phase displacement position in which the maximum torque is applied to or from the output drive. A fluid heat source at the displacer cylinder hot end providing high heat transfer relationship between the gaseous medium and the heating fluid, so that when the engine is at rest with the displacers in the in-phase condition, movement of the displacers, in response to operation of the adjustable phase displacers away from the in-phase condition causes an immediate imbalance in pressure applied to the pistons to provide an immediate self-start. Cooling means is provided at the cold end for cooling the gaseous medium therein.
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