Wenderoth, Lind & Ponack, L.L.P.
Scroll compressor and method for producing same
A scroll compressor includes a drive bush disposed in one end portion in an axial direction of a main shaft, and configured to be eccentrically rotated in accordance with rotation of the main shaft, a pair of angular bearings arranged back-to-back, and respectively clearance-fitted to an outside of the drive bush, a compression unit that has a boss portion which protrudes from an end plate of a movable scroll and in which the angular bearings are interference-fitted to an inner peripheral surface of the boss portion, and a preload application unit configured to apply a preload to the angular bearings in a direction in which the angular bearings are configured to move toward each other.
MITSUBISHI HEAVY INDUSTRIES, LTD.
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Keita Makoto Takuma Takahide Hirofumi
Kitaguchi Takeuchi Yamashita Ito Hirata