JP2004020048A5 - - Google Patents

Claims (4)

A Stirling engine capable of storing high-pressure gas generated by reciprocating motion of an operating member disposed in a cylinder in a pressurizing chamber provided inside the operating member via a gas introduction unit,
The end face of the operating member is formed so that a hole having a substantially constant diameter reaches the pressurizing chamber,
The gas introduction means includes
A pedestal that is disposed in the hole and has an inflow port for allowing high-pressure gas to flow into the pressurized chamber;
A Stirling engine, comprising: a check valve provided on the pedestal to prevent the high pressure gas in the pressurizing chamber from flowing out of the inflow port.   The Stirling engine according to claim 1, wherein a female screw part is formed on an inner peripheral side surface of the hole, and a male screw part screwed into the female screw part is formed on an outer peripheral side surface of the pedestal.   The Stirling engine according to claim 1, wherein a diameter of the hole is smaller than a diameter of the pedestal, and the pedestal is press-fitted and fixed in the hole.   The pedestal is provided with a spring member so as to protrude from the outer peripheral side surface of the pedestal, and the hole is provided with a groove along the circumference of the inner peripheral side surface of the hole, and the spring The Stirling engine according to claim 1, wherein the pedestal is fixed to the hole by fitting a member into the groove.