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Patent Searching and Data


Title:
ELECTRONICALLY ACTUATED VALVE ASSEMBLY FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR ACTUATING ITS ACTUATOR
Document Type and Number:
Japanese Patent JP2008291835
Kind Code:
A
Abstract:

To provide a valve assembly for an internal combustion engine capable of providing control of a higher-degree for a valve lift and valve landing, by using less motive power for actuation, by occupying a smaller space than a hydraulic or electromagnetic actuator.

This electronically actuated valve assembly 200 for the internal combustion engine has a valve stem 202, a shape memory alloy actuator 206 in operative communication with the valve stem 202, a coolant passage 222 passing through at least a portion of the shape memory alloy actuator 206, and a cooling fluid source 223 in communication with the coolant passage 222.


Inventors:
RILEY WILLIAM B
ZAGATA MARK ALAN
JOSEPH SCHRADER MICHAEL
MCCONVILLE GREG P
HALL M MATTHEWS
WILLIAMS NICOLE
Application Number:
JP2008104697A
Publication Date:
December 04, 2008
Filing Date:
April 14, 2008
Export Citation:
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Assignee:
FORD GLOBAL TECH LLC
International Classes:
F01L13/00
Domestic Patent References:
JPS6166811A1986-04-05
JP2000154740A2000-06-06
JP2004138070A2004-05-13
JP2001173550A2001-06-26
Foreign References:
US5211371A1993-05-18
US6843465B12005-01-18
Attorney, Agent or Firm:
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori