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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Machida; Hisashi
Address:
Fujisawa, JP
No. of patents:
24
Patents:












Patent Number Title Of Patent Date Issued
6902509 Toroidal type continuously variable transmission June 7, 2005
In a toroidal type continuously variable transmission, first pivot shafts provided on both ends of first trunnions are supported within support holes formed in yokes secured to an inner surface of a casing. The support portions are provided with ball splines and radial needle bearings. D
6592491 Toroidal type continuously variable transmission July 15, 2003
In a toroidal type continuously variable transmission, first pivot shafts provided on both ends of first trunnions are supported within support holes formed in yokes secured to an inner surface of a casing. The support portions are provided with ball splines and radial needle bearings. D
6561940 Method of and apparatus for driving aircraft generator at a constant-speed May 13, 2003
An output rotational driving power of the engine is split into a first split power and a second split power. The first split power is transmitted to a continuously variable speed transmission that transmits the first split power by a shearing resistance of a fluid. The second split power
6488607 Toroidal type continuously variable transmission December 3, 2002
In order to stabilize an operation for changing a speed change ratio, and to improve transmitting efficiency and endurance of structural parts of a toroidal continuously variable transmission, a relationship between the switching of a control valve and displacements of trunnions is such
6387010 Power roller unit and output disc unit for toroidal type continuously variable transmission May 14, 2002
In order to facilitate an assembling operation of a structure which is correctly operated with a proper positional relation, in a power roller unit for a toroidal type continuously variable transmission according to the present invention, a displacement shaft, a power roller, a radial
6375595 Toroidal type continuously variable transmission April 23, 2002
A plural cavity toroidal transmission is designed to permit transmission of great torque between output side disks and a sleeve while maintaining a thickness of the sleeve. To this end, convex portions are formed on outer surfaces of the output side disks and concave portions are formed
6260654 Frictional transmission July 17, 2001
A frictional transmission comprises first and second rotary shafts arranged in directions in which the central axes thereof crossed each other, a roller supported coaxially with the first rotary shaft for rotating with the first rotary shaft, a first frictional surface provided on the ro
6238318 Power roller unit and output disc unit for torodial type continuously variable transmission May 29, 2001
In order to facilitate an assembling operation of a structure which is correctly operated with a proper positional relation, in a power roller unit for a toroidal type continuously variable transmission according to the present invention, a displacement shaft, a power roller, a radial
6206801 Continuously variable transmission March 27, 2001
A continuously variable transmission provided with a rotary shaft characterized in that a ball spline is formed between an inner peripheral surface of a first disc and an outer peripheral surface of an intermediate portion of a rotary shaft, a restraining members for limiting displacemen
6203466 Continuously variable transmission apparatus March 20, 2001
This invention realizes a compact and light-weight structure having excellent durability and transmission efficiency. A toroidal type continuously variable transmission is provided around an input shaft concentric with a driving shaft, and a planetary gear mechanism is provided aroun
6113513 Toroidal type continuously variable transmission September 5, 2000
A toroidal type continuously variable transmission improves transmission efficiency. The thrust loads applied to first and second ball-and-roller bearings as a pressing device is actuated are reduced, and the rotational torques of these two ball-and-roller bearings are decreased so as to
6074324 Toroidal type continuously variable transmission June 13, 2000
Improved input and output discs for toroidal type continuously variable transmissions are obtained by select processing techniques to form hardened layers. Processing techniques include, e.g., carburizing, carbonitriding, and high-frequency induction hardening. Shot peening may be us
5980421 Toroidal type continuously variable transmission November 9, 1999
The amounts of displacement of trunnions installed in first and second cavities are made equal to each other irrespective of the amount of resilient deformation. Also, if the worst should happen, the stability of the running of an automobile is secured. The supply and discharge of pr
5931759 Friction-roller speed changer August 3, 1999
A friction-roller speed changer has three intermediate rollers (12a, 12b, 12c). Two rollers (12a, 12b) of which act as a wedge roller and can be moved into the narrower area of an annular space (10) by the transmission of power, wherein during power transmission from the input side in th
5888160 Continuously variable transmission March 30, 1999
A load applied to the constituent member of a toroidal type continuously variable transmission is mitigated to thereby improve the durability thereof. During low speed running, a clutch for low speed is connected and a clutch for high speed and a clutch for backward movement are disc
5830103 Toroidal type continuously variable transmission November 3, 1998
A sufficient quantity of lubricating oil can be sent into a radial needle bearing and a thrust ball bearing supporting a power roller. The lubricating oil is discharged into a gap space through a send-in side oil supply path formed in a trunnion, and is sent into a receiving side oil
5807203 Toroidal type continuously variable transmission September 15, 1998
In order to improve the transmission efficiency of a toroidal type continuously variable transmission by reducing the dynamic torque loss of an antifriction bearing, a first output gear is constituted by a pair of helical gears of which the directions of inclinations are opposite to each
5651750 Dual cavity toroidal type continuously variable transmission July 29, 1997
A toroidal type continuously variable transmission is arranged to support one disc on the input side, facing a pressure device, on the outer circumference of an input shaft through a needle bearing. The other disc on the input side is supported on the input shaft by means of a spline
5584778 Toroidal type continuously variable transmission December 17, 1996
The total of thrust loads acting on first, second, and third angular ball bearings upon operation of a transmission is reduced. In order to reduce torque losses of the angular ball bearings, a toroidal type continuously variable transmission is arranged so that a thrust load based on the
5575733 Toroidal type continuously variable transmission having retainer ring with lubricating oil paths November 19, 1996
In order to prevent portions of a thrust rolling bearing from being worn significantly and being burned, grooves are formed on both inner and outer surfaces of a retainer so as to traverse pockets. Lubricating oil is supplied from oiling holes formed in an outer race toward the retainer.
5460741 Lubricating oil composition October 24, 1995
A lubricating oil composition is herein disclosed which comprises as the main compounds, (A) a base oil comprising a mineral oil or a synthetic oil; (B) a hindered phenol compound represented by the general formula (I) or (II) ##STR1## wherein m is an integer of 1 to 5; (C) an al
5391126 Toroidal type continuously variable transmission February 21, 1995
A toroidal type continuously variable transmission is provided which allows the outer peripheral face of power rollers to be processed by industrial techniques, and prevents an outer ring and a retainer from rubbing against an input side concave surface or an output side concave surface.
5368529 Toroidal type continuously variable transmission November 29, 1994
A toroidal type continuously variable transmission intended to prevent an increase in weight of the rear end portion when constructing a automobile transmission and restrain vibrations and noised during an operation. An input shaft is rotated by a crankshaft of an engine through a gear
5334097 Toroidal type continuously variable transmission supported by a common bearing and reaction stat August 2, 1994
In a toroidal type continuously variable transmission having an input disk, an output disk and power rollers sandwiched and frictionally engaged between the input and output disks so as to transmit rotational power therebetween at a transmission ratio variable according to the inclinatio










 
 
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