Scroll compressors and air conditioners
The scroll compressor design with a cantilevered crankshaft and double bearing structure improves performance and reliability by suppressing deflection and tilt, enabling cost-effective miniaturization and efficient operation.
JP2026111732AActive Publication Date: 2026-07-06HITACHI JOHNSON CONTROLS AIR CONDITIONING INC
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- HITACHI JOHNSON CONTROLS AIR CONDITIONING INC
- Filing Date
- 2024-12-24
- Publication Date
- 2026-07-06
Smart Images
Figure 2026111732000001_ABST
Abstract
We provide high-performance and reliable scroll compressors and other related equipment. [Solution] The scroll compressor 100 comprises a sealed container 1, a frame 3, a fixed scroll 21, a revolving scroll 22 having a pivot shaft 22c, a crankshaft 7 cantilevered within the frame 3 and having an eccentric portion 7b with an eccentric hole 71b that fits onto the pivot shaft 22c, a frame plate 5 having a fitting portion that fits inside the frame 3 and having an insertion hole for the eccentric portion 7b, a main bearing 11 that rotatably supports the eccentric portion 7b with respect to the frame plate 5, a slewing bearing 12 that rotatably supports the pivot shaft 22c with respect to the circumferential surface of the eccentric hole 71b, and a first resin ring 61 that seals the space between the frame plate 5 and the end plate 22a.
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