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Patent Searching and Data


Title:
TORQUE CONVERTER
Document Type and Number:
Japanese Patent JP2011085171
Kind Code:
A
Abstract:

To provide a torque converter for sustaining the defoaming effects of a defoaming agent to reduce the worsening of fuel consumption due to an increase in the stirring resistance by preventing the accumulation of the defoaming agent in working oil.

The torque converter includes a pump impeller 1 having pump impeller blades 12 rotated around its axis with the input of torque, a turbine runner 2 arranged coaxially with the pump impeller 1 in mutually opposed relation, and a stator 3 for straightening the flow of the operating oil O from the side of the turbine runner 2 to the side of the pump impeller 1, and transmits torque between the pump impeller 1 side and the turbine runner 2 side. An outer peripheral portion Q of the pump impeller blade 12 is provided with a smooth portion 5 formed of a fluororesin.


Inventors:
EBINA SUEJI
Application Number:
JP2009000237302
Publication Date:
April 28, 2011
Filing Date:
October 14, 2009
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
F16H41/26
Attorney, Agent or Firm:
特許業務法人あーく特許事務所