Title:
負圧ポンプ及びシリンダヘッドカバー
Document Type and Number:
Japanese Patent JP5799058
Kind Code:
B2
Abstract:
A negative pressure pump (10) has: a casing (20) into which a drive shaft (100) is inserted; a pump portion (30) that produces negative pressure as a result of the rotation of the drive shaft being transmitted to a driven shaft (40); a drive-side clutch plate (46) that rotates integrally with the drive shaft, is movable in an axial direction of the drive shaft, and is magnetic; a driven-side clutch plate (48) that rotates integrally with the driven shaft and transmits the rotation of the drive shaft to the driven shaft as a result of the drive-side clutch plate becoming engaged with it; a coil spring (56) that presses the drive-side clutch plate against the driven-side clutch plate; an electromagnet (52) that produces a magnetic force counter to a pressing force and pulls the drive-side clutch plate away from the driven-side clutch plate; and a jutting wall portion (38) that is disposed in the casing and receives the driven-side clutch plate on which the pressing force acts and a jutting wall portion (28) that supports one end portion of the coil spring.
Inventors:
Mountain Saki Shinji
Application Number:
JP2013157712A
Publication Date:
October 21, 2015
Filing Date:
July 30, 2013
Export Citation:
Assignee:
Sanoh Industry Co., Ltd.
International Classes:
F04B35/00; F04B37/16; F04C25/02; F16D27/11
Domestic Patent References:
| JP8072700A | ||||
| JP2013057293A | ||||
| JP2012122428A | ||||
| JP2010112337A | ||||
| JP56090435U |
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Hiroshi Fukuda
Kato Kazunori
Hiroshi Fukuda