PROBLEM TO BE SOLVED: To suppress noise generated in accordance with operation of a pump device having a plurality of pumps.SOLUTION: A pump device of this invention includes: a driving shaft 207; a first pump 201 having a first driving gear 211 provided on the driving shaft 207 and integrally rotating with the driving shaft 207, and feeding working fluid; and a second pump 203 having a second driving gear 251 coaxially provided with the first driving gear 211 on the driving shaft 207 and integrally rotating with the driving shaft 207, and feeding the working fluid. The first driving gear 211 and the second driving gear 251 are provided on the driving shaft 207 with phases shifted.SELECTED DRAWING: Figure 9
【課題】複数のポンプを備えるポンプ装置が稼働することにともない生じる音を抑制する。【解決手段】本発明のポンプ装置は、駆動シャフト207と、駆動シャフト207に設けられ、駆動シャフト207と一体に回転する第1駆動ギア211を有し作動液を送る第1ポンプ201と、駆動シャフト207に第1駆動ギア211と同軸で設けられ駆動シャフト207と一体に回転する第2駆動ギア251を有し作動液を送る第2ポンプ203とを備える。また、第1駆動ギア211および第2駆動ギア251は、各々の位相をずらして駆動シャフト207に設けられる。【選択図】図9
PUMP DEVICE AND VESSEL PROPULSION MACHINE
ポンプ装置および船舶推進機
2016-09-23
Patent
Elektronische Ressource
Japanisch
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