Title:
HYDRAULIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/046605
Kind Code:
A1
Abstract:
A hydraulic device is provided with: a switching valve (5) switched between a first state (right half position) in which a first input port (5a) and an output port (5c) are connected and a second state (left half position) in which a second input port (5b) and the output port (5c) are connected; and a discharge valve (12) which, when the switching valve (5) is in the first state, is connected to oil passages (9b, 5d, 5e) leading from an electric pump and discharges hydraulic pressure higher than or equal to a set pressure. An orifice (13) is disposed in an oil passage (11) at a position upstream of the discharge valve (12), the oil passage (11) leading from the electric pump (3). An oil drain passage (15) leading from a second hydraulic servo (B-2) connects to the oil passage (11) at a position located between the orifice (13) and the discharge valve (12), the oil passage (11)leading from the electric pump (3), and maintains hydraulic pressure within oil passages (9a, 9b) at a predetermined pressure higher than the set pressure, the oil passages (9a, 9b) being located upstream of the orifice (13).
Inventors:
HIRAI NOBUYUKI (JP)
YAMAGUCHI MASAMICHI (JP)
HYODO YOSHIMITSU (JP)
TSUCHIDA KENICHI (JP)
FUKAYA NAOYUKI (JP)
YAMAGUCHI MASAMICHI (JP)
HYODO YOSHIMITSU (JP)
TSUCHIDA KENICHI (JP)
FUKAYA NAOYUKI (JP)
Application Number:
PCT/JP2014/076201
Publication Date:
April 02, 2015
Filing Date:
September 30, 2014
Export Citation:
Assignee:
AISIN AW CO (JP)
International Classes:
F16H61/02; F16H61/00
Foreign References:
| JP2013174259A | 2013-09-05 | |||
| JP2010175039A | 2010-08-12 | |||
| JP2004036667A | 2004-02-05 | |||
| JP2009144874A | 2009-07-02 |
Attorney, Agent or Firm:
CHIKASHIMA, Kazuo (JP)
近島 One husband (JP)
近島 One husband (JP)
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