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Patent Searching and Data


Title:
CENTRIFUGAL COMPRESSOR
Document Type and Number:
Japanese Patent JP2018173027
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To suppress the short supply of oil to a roller bearing supporting a roller.SOLUTION: A speed increasing gear 60 includes a speed increasing gear housing 23, a speed increasing mechanism 61 stored in the speed increasing gear housing 23. The speed increasing gear housing 23 includes a closing part 26 partitioning a speed increasing gear chamber S1 and an impeller chamber S2. The closing part 26 includes an insertion hole 28 through which a high speed side shaft 12 can be inserted. The insertion hole 28 includes a large diameter part 29, and a small diameter part 30 having a smaller diameter than the large diameter part 29. In the small diameter part 30, a seal member 34 is arranged. The closing part 26 includes three bearing storage parts 90 recessed from a first plate surface 26a in the plate thickness direction. In each of the bearing storage parts 90, a first roller bearing 76 is stored which rotatably supports a roller 71. The bearing storage parts 90 are communicated with the large diameter part 29 of the insertion hole 28.SELECTED DRAWING: Figure 1

Inventors:
福山 了介
光田 聡
加藤 弘晃
Application Number:
JP2017071650A
Publication Date:
November 08, 2018
Filing Date:
March 31, 2017
Export Citation:
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Assignee:
株式会社豊田自動織機
International Classes:
F04D29/063; F04D29/053; F04D29/12; F16H13/08; F16H57/04
Attorney, Agent or Firm:
恩田 誠
恩田 博宣