Title:
ROTARY ELECTRICAL MACHINE
Document Type and Number:
WIPO Patent Application WO/2015/174346
Kind Code:
A1
Abstract:
A rotary electrical machine (100) includes a first rotor (21), a second rotor (22), and a housing (1) that accommodates the first rotor (21) and the second rotor (22). The rotary electrical machine (100) further includes a ring-shaped inner ball-bearing (11) which is provided in a flange portion (3a) of the housing (1) adjacent to the first rotor (21) in the direction of a rotary shaft (8) and which rotatably supports the first rotor (21); and a ring-shaped outer ball-bearing (13) which is provided in the flange portion (3a) further toward the outer peripheral side than the inner ball-bearing (11) and which rotatably supports the second rotor (22). The flange portion (3a) has formed therein an inner concavity (3g1) in which the inner ball-bearing (11) is disposed, an outer concavity (3g2) in which the outer ball-bearing (13) is disposed, a lubricating oil supply hole (3d1) for supplying lubricating oil to the inner concavity (3g1), and a though hole (3g3) that connects the inner concavity (3g1) to the outer concavity (3g2).
Inventors:
HAYASHI HIROHITO (JP)
Application Number:
PCT/JP2015/063341
Publication Date:
November 19, 2015
Filing Date:
May 08, 2015
Export Citation:
Assignee:
TOYOTA JIDOSHOKKI KK (JP)
International Classes:
H02K5/173; F16C33/66; F16C35/06; F16N31/00; H02K9/19; H02K16/02
Foreign References:
| JPH1141861A | 1999-02-12 | |||
| JP2014027837A | 2014-02-06 |
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
Michiharu Soga (JP)
Michiharu Soga (JP)
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