Title:
油圧制御装置
Document Type and Number:
Japanese Patent JP4597210
Kind Code:
B2
Abstract:
A switching apparatus is provided in a hydraulic control apparatus having a fluid transmission apparatus; a lockup clutch; a switching valve that controls engagement of the lockup clutch; and a control oil pressure generation apparatus that pressurizes oil and outputs a control oil pressure to control activation of the switching valve. The switching apparatus executes a control to warm the oil input into the control oil pressure generation apparatus if the temperature of the oil is below a predetermined temperature and prohibits execution of the control to warm the oil input into the control oil pressure generation apparatus if the temperature of the oil equals or exceeds the predetermined temperature.
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Inventors:
Shuji Moriyama
Shin Murakami
Keisuke Ichige
Hiroyuki Nishizawa
Masanori Iriya
Hideyuki Suzuki
Shin Murakami
Keisuke Ichige
Hiroyuki Nishizawa
Masanori Iriya
Hideyuki Suzuki
Application Number:
JP2008105950A
Publication Date:
December 15, 2010
Filing Date:
April 15, 2008
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
Toyota Central R & D Labs.
Toyota Central R & D Labs.
International Classes:
F16H61/14
Domestic Patent References:
| JP2007211968A | ||||
| JP59006461A | ||||
| JP64006558A | ||||
| JP2003083443A | ||||
| JP4046259A | ||||
| JP2002156031A |
Attorney, Agent or Firm:
Watanabe strong