SCROLL TYPE FLUID MACHINERY

摘要

PROBLEM TO BE SOLVED: To perform efficient lubrication and cooling of a grease supply portion by an oil supply pump and to prevent penetration of lubrication oil from the oil supply pump to a compression chamber. SOLUTION: An oil supply pump 21 is provided between the slide contact surfaces 8D and 13B of an orbiting scroll 8 and a thrust support 13. The oil supply pump 21 comprises a revolver containing recessed part 22 recessed on the slide contact surface 13B side of the thrust support 13; a revolver 24 protruding from the slide contact surface 8D side of the orbiting scroll 8 toward the revolver containing recessed part 22; and a guide plate to partition the interior of the revolver containing recessed part 22 into a suction chamber and a discharge chamber. This constitution revolves the revolver 24 in the revolver containing recessed part 22 during revolution of the orbiting scroll 8 and sucks lubrication oil, containing in a casing 1, through a suction passage 33 and discharges it through a discharge passage 34 toward a boss part 8C contained in a revolving bearing 9.