Co-rotating scroll compressor

Abstract

A co-rotating scroll compressor includes: a driving-side scroll member; a driven-side scroll member; a pin ring mechanism that transmits driving force from the driving-side scroll member to the driven-side scroll member so that the driving-side scroll member and the driven-side scroll member rotationally move in a same direction at a same angular velocity; and a coil spring that biases a distal end of a driving-side wall and a distal end of a driven-side wall in a direction toward a driven-side end plate and a driving-side end plate that are opposed to the distal end of the driving-side wall and the distal end of the driven-side wall.

1 - 4 . (canceled) 
     
     
         5 . A co-rotating scroll compressor, comprising:
 a driving-side scroll member driven by a drive unit so as to rotate, and comprising a spiral driving-side wall arranged on a driving-side end plate;   a driven-side scroll member in which a spiral driven-side wall corresponding to the driving-side wall is arranged on a driven-side end plate, the driven-side wall being engaged with the driving-side wall so as to form a compression space;   a synchronous driving mechanism that transmits driving force from the driving-side scroll member to the driven-side scroll member so that the driving-side scroll member and the driven-side scroll member rotationally move in a same direction at a same angular velocity; and   a biasing means for biasing a distal end of the driving-side wall and a distal end of the driven-side wall in a direction toward the driven-side end plate and the driving-side end plate that are respectively opposed to the distal end of the driving-side wall and the distal end of the driven-side wall.   
     
     
         6 . The co-rotating scroll compressor according to  claim 5 , wherein the biasing means comprises an elastic member that abuts against a bearing provided with respect to the driven-side scroll member. 
     
     
         7 . The co-rotating scroll compressor according to  claim 5 , wherein the biasing means comprises an elastic member provided between a driven-side thrust bearing that receives thrust force of the driven-side scroll member and a housing that accommodates the driven-side scroll member. 
     
     
         8 . The co-rotating scroll compressor according to  claim 5 , further comprising a driven-side rolling bearing provided between a driven-side shaft portion connected to the driven-side end plate and a housing that accommodates the driven-side scroll member, wherein the biasing means comprises an elastic member provided between the driven-side rolling bearing and the housing. 
     
     
         9 . The co-rotating scroll compressor according to  claim 5 , further comprising a displacement amount restricting means for restricting a displacement amount between the driving-side scroll member and the driven-side scroll member.