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An improved Stirling engine has a piston and a crosshead slidably disposed inside a cylinder and secured to one another by a piston rod so as to reciprocate as a single body with a space formed between the crosshead and the piston. An oil-deflecting guard for deflecting oil which is scattered by the

An improved Stirling engine has a piston and a crosshead slidably disposed inside a cylinder and secured to one another by a piston rod so as to reciprocate as a single body with a space formed between the crosshead and the piston. An oil-deflecting guard for deflecting oil which is scattered by the movement of the crosshead is disposed between the crosshead and the piston and is supported so as to move with the crosshead. A first oil-absorbing member for absorbing oil which enters the space above the oil-deflecting guard is disposed on the oil-deflecting guard on the piston side thereof. A second oil-absorbing member is disposed between the first oil-absorbing member and the piston with a space therebetween. The space between the crosshead and the piston can be connected with the inside of a crankcase by oil drainage holes.

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An improved Stirling engine of the type having a piston slidingly disposed in a cylinder which is mounted on a crankcase, a crosshead which is slidingly disposed inside said cylinder and which is connected to said piston by a piston rod so as to move together with said piston and which is separated

An improved Stirling engine of the type having a piston slidingly disposed in a cylinder which is mounted on a crankcase, a crosshead which is slidingly disposed inside said cylinder and which is connected to said piston by a piston rod so as to move together with said piston and which is separated from said piston by a space, wherein the improvement comprises: an oil-deflecting guard which is disposed in the space between said crosshead and said piston and which is supported so as to move together with said crosshead; and a first oil-absorbing member which is disposed on said oil-deflecting guard on the piston side of said oil-deflecting guard.