Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Fukatsu; Akira
Address:
Anjo, JP
No. of patents:
22
Patents:












Patent Number Title Of Patent Date Issued
7628729 Hydraulic control apparatus for an automatic transmission December 8, 2009
A hydraulic control apparatus, provided with a manual shift valve that outputs a forward range pressure and a reverse range pressure, and a linear solenoid valve that outputs an engagement pressure to the hydraulic servo that engages during reverse travel when energized, includes a f
7621837 Hydraulic control apparatus for an automatic transmission November 24, 2009
A hydraulic control apparatus for an automatic transmission is provided with a solenoid valve that outputs a signal pressure during a failure and does not output a signal pressure during normal operation and a first clutch apply relay valve that switches between a normal position (the
7582035 Automatic transmission September 1, 2009
An automatic transmission is capable of shifting between multiple speeds by engaging and disengaging multiple frictional engagement devices including at least one clutch and one brake, and is capable of switching between a driving range and a non-driving range with operation of a shift
7473208 Shift control device of automatic transmission January 6, 2009
A shift control device of an automatic transmission comprising detection means for detecting a shift from a non-drive to a drive position; output means for outputting a command to execute an engine output lowering; detection means for detecting a transmission input revolution number and
7341133 Hydraulic circuit and hydraulic control unit for hydraulic power transmission March 11, 2008
A hydraulic power transmission is provided with a frictional engagement element as a lock-up clutch between a hydraulic power transmission chamber, housing a pump impeller and a turbine runner, and a servo oil chamber of the lock-up clutch. A lock-up oil passage that supplies lock-up
6846259 Hydraulic control system for automatic transmission January 25, 2005
A hydraulic control system for an automatic transmission includes a 3-4 shift valve that outputs a source pressure through a first path for shift speeds lower than a fourth shift speed established by directly connecting an input shaft with an output shaft of the automatic transmission, i
6835151 Oil pressure control device of automatic transmission December 28, 2004
An oil pressure control device has bypass drain oil passages that bypass a control valve and that are capable of draining the engaging pressure K from a hydraulic servo of a clutch when releasing the clutch. A drain-prohibiting check ball blocks a drain path between a manual valve an
6802792 Oil pressure control device of automatic transmission October 12, 2004
In an oil pressure control device, a clutch apply control valve is provided in an oil passage between a control valve and a linear solenoid valve. The clutch apply control valve is changed between a first position where an input port and an output port are connected so as to supply a con
5957800 Shift control system for automatic transmission September 28, 1999
A shift control system of an automatic transmission sets a predetermined gear stage by applying a first frictional engagement element and releasing a second frictional engagement element. A pressure regulating mechanism regulates an oil pressure to be fed to or drained from the first
5947856 Control system for automatic transmission, including coordinated frictional engagement element r September 7, 1999
A control system for an automatic transmission, in which a first frictional engagement element and a second frictional engagement element are released according to a shift from a running range to a non-running range. The shift from the running range to the non-running range is detected,
5725451 Control system for automatic transmission March 10, 1998
A control system for use in an automatic transmission which includes a gear shift mechanism having first and second frictional engagement elements for establishing: a first gear stage with the first frictional engagement element being applied and the second frictional engagement element
5674154 Hydraulic control system for automatic transmission October 7, 1997
A hydraulic control system for an automatic transmission to establish a predetermined stage by applying a first frictional engagement element and releasing a second frictional engagement element, comprising: a first hydraulic servo for actuating the first frictional engagement element; a
5665027 Shift control system for automatic transmission September 9, 1997
A shift control system of an automatic transmission for setting a predetermined gear stage by applying first frictional engagement means and releasing second frictional engagement means, comprising: a pressure regulating mechanism for regulating an oil pressure to be fed to or draine
5616094 Hydraulic control system for automatic transmission April 1, 1997
A hydraulic control system for an automatic transmission includes a regulator valve in a hydraulic circuit for supplying pressure to a servo of a frictional engagement element. The regulator valve has an input port, an output port and a drain port. A valve member of the regulator valve
5605516 Oil pressure controller of automatic transmission February 25, 1997
An oil pressure controller of an automatic transmission which is capable of supplying engaging pressures to hydraulic servos of two frictional engaging elements which require different engaging pressures by a single pressure governing valve with a good pressure governing accuracy. The oi
5593365 Control system for automatic transmission January 14, 1997
A control system for an automatic transmission including a main transmission unit for setting a reverse stage and a plurality of forward stages and an auxiliary transmission unit connected in series to the main transmission unit and capable to be changed between two higher and lower
5588927 Control system for automatic transmission December 31, 1996
A control system for an automatic transmission includes a first frictional engagement element and a second frictional engagement element; and a first hydraulic servo for controlling the application/release of the first frictional engagement element and a second hydraulic servo for contro
5583768 Shift control system for preventing engine racing December 10, 1996
A shift control system for shifting an automatic transmission from a predetermined gear stage to another by draining an oil pressure from predetermined frictional engagement element to release the same frictional engagement element and by feeding the oil pressure to another frictional
5527236 Shift control system for automatic transmission June 18, 1996
A shift control system for an automatic transmission including frictional engagement elements to be applied by actuating a piston by an oil pressure. The shift control system comprises: a pressure regulating valve for regulating the oil pressure to be fed to the frictional engagement
5527233 Hydraulic control apparatus for controlling an engaging state of a lock-up clutch of an automati June 18, 1996
A hydraulic control apparatus for an automatic transmission of a motor vehicle, the transmission including a lock-up clutch, the apparatus including a lock-up clutch switching valve device which is operable for selectively placing the lock-up clutch in a fully released, a partially e
5496230 Control system for automatic transmission March 5, 1996
A control system for an automatic transmission, comprising a gear transmission unit for establishing a predetermined gear stage by applying a plurality of frictional engagement elements selectively. The gear transmission unit includes a main transmission portion capable of establishi
5472389 Hydraulic control system for automatic transmission December 5, 1995
A hydraulic control for an automatic transmission is composed of a gear shift mechanism having first and second frictional engagement elements, a hydraulic control unit for the engagement elements, and an electronic control unit for the hydraulic control unit. The first element is engage










 
 
  Recently Added Patents
Macrocyclic cysteine protease inhibitors and compositions thereof
Canine iPS cells and method of producing same
Touch sensing technology
Recovery of a hot-pluggable serial communication link
Performance monitoring of advanced process control systems
Laser processing method and apparatus
Semiconductor device
  Randomly Featured Patents
Adjustable animal watering system
Suction muffler tube
Particulate filter method
Heating unit for vaporizing sample by heating
Cigarette smoke filter system
Process for making composite laminated polyamide sheet material
Portable computer
Measuring method and apparatus thereof
Method of manufacturing nitride-composite semiconductor laser element, with disclocation control
Front spoiler