Matches 1 - 50 out of 70 1 2 >


Match Document Document Title
8109374 Production method for coned disk spring and clutch unit  
A production method for coned disk springs includes: preparing a plate member; punching plural annular blanks from the plate member by pressing; and forming the blanks into coned disk springs. In...
7967123 Wet-type multi-plate friction engaging apparatus  
The present invention provides a wet-type multi-plate friction engaging apparatus comprising a clutch portion including internally toothed plates and a piston adapted to apply an urging force for...
7789210 Sealing device  
To make it unnecessary to insert a plate spring as a separate part between a metal ring (2) and a mating member (11) to be coupled therewith such as a clutch plate, and reduce the number of parts...
7527135 Multiplate friction clutch  
A multiplate friction clutch can transmit power by pressing a stack of friction plates, which comprises plural separator plates and plural friction plates arranged alternately side by side, with a...
7438168 Cushion plate  
A cushion plate is provided, for example, between a piston of a hydraulic servo and an adjacent friction plate in a frictional engagement element of an automatic transmission. The cushion plate is...
7350631 Automatic transmission  
An automatic transmission includes a clutch drum formed, by press forming, with splines including recessed portions and raised portions, and engaging with clutch plates; and a rotational speed...
7258218 Multi-plate clutch  
The present invention provides a multi-plate clutch comprising drive plates which are coaxially disposed within a clutch housing and to which friction materials are fixed, driven plates which are...
7247114 Automatic transmission  
A forward/reverse change-over mechanism (3) of an automatic transmission comprises a forward clutch (5) inside a drum (7) with the base (7c) which rotates together with an input shaft (1). The...
7001299 Control apparatus of automatic transmission  
According to an aspect of the present invention, an automatic transmission includes plural friction engaging elements configures plural shift ranges based on combinations of each friction engaging...
6920971 Cushioned hydraulic clutch/brake piston  
A hydraulic clutch/brake mechanism has an actuator piston assembly therein to control actuation of the associated clutch/brake. The actuator piston assembly has a damping arrangement disposed...
6892869 Multi-plate friction clutch  
A multi-plate friction clutch includes: a clutch piston 10 which is fitted to a clutch outer and capable of being hydraulically operated to press a group of first and second friction plates toward...
6832675 Flat disk spring assembly for automatic transmissions  
A disk spring assembly including a flat disk between two angled plates is used in an automatic transmission clutch application. The inner peripheral edge and the outer peripheral edge of the disk...
6817460 Wet multi-plate clutch  
The present invention provides a wet multi-plate clutch comprising a clutch case and hub disposed on a same axis, a first friction engagement element disposed in the clutch case, a second friction...
6786843 Cylinder for automatic transmission  
In a structure for an automatic transmission wherein a brake is arranged in a casing, a hydraulic servomechanism for actuating the brake includes a cylinder, a piston, a return spring for biasing...
6227340 Automatic transmission with dual gain multi-disk friction device  
A fluid pressure operated friction coupling comprising a multiple friction disc assembly having a single piston actuator and having first and second springs operatively configured and arranged in...
6209695 Multi-speed transmission with no lag electronically controlled valving  
An electronically controlled transmission has microprocessor and a clutch housing including an integrated solenoid controlled valve; the clutch housing including a valve track operatively receiving...
6044948 Structure of spline-connection for power-transmission device  
In a structure of spline-connection for a power-transmission device having a clutch drum integrally formed on its inner periphery with longitudinal internal splines, a clutch pack employing an...
5992597 Multiple disk clutch and method and apparatus for forming clutch drum  
A multiple disk clutch includes a clutch drum having an interior surface with a plurality of spline grooves, a servo piston, a clutch plate with splines engaged within the spline grooves, and a...
5960923 Hydraulic clutch with wave spring  
A hydraulic clutch is made up of alternatively arranged discs and driven plates in a clutch drum which is actuated by a hydraulic piston and a wave spring for reducing a shock made of a strip...
5937985 Retaining ring in a hydraulically actuated friction element assembly for an automatic transmission  
In a hydraulically actuated friction clutch or brake for an automatic transmission, contact between a pressure plate and retaining ring, each drivably engaged with an axially spline, is located at...
5906255 Automatic transmission clutch drum assembly with waved ring spring  
In a motor vehicle transmission multiple-disc clutch assembly, a waved ring-shaped spring is provided within an annular groove formed in the clutch piston held within the clutch housing. The waved...
5743369 Wet clutch assembly  
A wet clutch assembly comprises an input shaft and a stack comprising interleaved first and second sets of clutch members. A hydraulic actuator piston is located concentrically around the input...
5535865 Torque transmitting friction device and control  
A multi-speed power transmission has a fluid operated torque transmitting device, such as a clutch, which is selectively engaged during two forward ranges. A hydraulic control is provided to...
5480014 Double clutch arrangement  
A double clutch structure for connecting an input shaft to an output shaft while always maintaining a predetermined driving torque therebetween includes first and second clutches adapted to...
5421439 Clutch of automatic transmission  
A clutch of an automatic transmission having a clutch drum having a fluid chamber defined therein clutch hub coaxially disposed within the clutch drum; a clutch plate pack operatively interposed...
5335763 Spring retainer for clutch piston  
A spring retainer for a clutch piston has a cylindrical through portion engaged with the shank of a clutch drum and abutting a snap ring at one end. A dish bearing portion is connected to a second...
5234087 Pressure medium actuated method and friction clutch with exclusively axially movable friction discs  
A pressure medium actuated friction clutch with axially movable friction discs is engaged by at least one engagement spring and by an engagement actuator, and can be disengaged by a disengagement...
5232411 Structure for automatic transmission  
A structure of an automatic transmission includes first and second clutches which are arranged radially so that one is surrounded by the other. This arrangement can reduce the size of the automatic...
5090539 Pressure-medium actuated friction disk clutch or brake  
A pressure-medium actuated friction disk clutch or -brake is provided having a piston/cylinder actuation unit (1,2) and a disk spring (3) arranged between the piston (1) and a pressure plate (4) of...
5035305 Cushioned brake assembly  
A cushioned brake assembly for dampening the reaction forces between rotating and non-rotating components of the brake assembly during a breaking action, includes a plurality of alternating...
4997074 CVT hydraulic start clutch  
A hydraulically-actuated starting clutch for a continuously variable transsion which is designed to reduce the centrifugal torque of the clutch with respect to the chain belt/sheave torque. This is...
4984663 Transfer apparatus for 4-wheel driving  
A rotational force which was input from a transmission is received by a main shaft and transferred to the rear wheel side. The rotational force of the main shaft is transferred to the front wheel...
4934502 Clutch assembly with Belleville springs  
A clutch assembly is provided for selectively establishing a drive connection between a pair of relatively rotatable members. The clutch assembly includes a series of interleaved plates operably...
4840261 Automatic transmission having centrifugally operable drain valve in hydraulically operated clutch actuator  
A hydraulic actuator for hydraulically actuating a clutch mechanism to selectively engage a clutch drum and a planetary gear unit of an automatic transmission is disclosed, which comprises a...
4836052 Compact change speed transmission  
A compact change speed transmission comprising two planetary gear sets which are selectively controlled by clutches and brakes to provide four forward speed ratios and a reverse speed ratio. There...
4713984 Drive stage control mechanism for automatic transmission  
In an automatic transmission having a four-element two-stage torque converter and a planetary gear transmission which carries out a change-over operation of drive stage of plural planetary gear...
4696383 Hydraulic clutch for motor vehicles, having creep-inhibiting feature  
A frictionally engaging device for power transmission of a vehicle, has a first pressure chamber defined in part by one side of a piston urging frictionally engaging elements into engagement with...
4694946 Clutch assembly for a diesel engine blower  
The present invention relates to a clutch assembly for selectively coupling a supercharging blower or other driven device to a mechanical output of a prime mover, such as a diesel engine. The...
4623055 Hydraulic clutch  
A hydraulic clutch having an annular coned disc spring interposed between a hydraulic piston and a friction material for engaging/disengaging the clutch. An inner peripheral end of the coned disc...
4615418 Hydraulic safety brake  
A safety brake unit for use in hydraulic or fluid power systems. The brake includes interleaved fixed and rotating discs held in compression by actuation pins and spring biased by a piston. As...
4573560 Clutch drum for multiple plate clutch assembly  
Disclosed is a clutch drum for a multiple plate clutch assembly is disclosed. The clutch drum comprises a tubular body having a large diameter tubular section and a small diameter tubular section....
4371066 Wet multiple disc clutch device for a vehicle transmission  
A wet multiple disc clutch device for a vehicle transmission, comprising: a clutch drum functioning as a power input, the drum having a plurality of drive grooves formed on the inner surface of...
4320821 Control device for a torque converter in an automatic speed change gear for vehicles  
A control device for a torque converter in an automatic speed change gear for vehicles having an input shaft connected to a driving shaft of the engine through a torque converter having a pump disc...
4286686 Multi-plate friction clutch  
A multi-plate friction clutch for a motor vehicle to automatically engage normally driven wheels with wheels which are not normally driven includes a fluid pressure piston/cylinder for engaging the...
4257509 Hydraulic clutch with dual pistons  
Two cooperatively arranged pistons and a spring interposed therebetween are arranged within the clutch, one of the pistons is formed as a simple and compact annular plate with flat parallel...
4253553 Control apparatus for an oil pressure operated transmission in automotive vehicle  
The present invention discloses a control apparatus for an oil pressure operated transmission in an automotive vehicle. The apparatus comprises a transmission with at least two stages of low speed...
4071126 Safety apparatus in an automatic transmission for a vehicle to prevent engagement of the low speed clutch at high speeds  
In an automatic transmission apparatus for a vehicle of the type having a high speed clutch of oil pressure operated type interposed in a high speed power transmission system and a low speed clutch...
3900089 One way fluid operated coupling  
A directionally sensitive control mechanism for a friction engaging device, for example a brake mechanism, adapted to be used in an automatic transmission wherein automatic ratio changes are to be...
3814226 CLUTCH PISTON ASSEMBLY HAVING UNITARY ELASTOMERIC CUSHION RING AND LIP SEAL  
This piston assembly for selectively engaging a friction drive establishing device incorporates an annular sheet metal shell which has inner and outer rims connected by an intermediate channel...
3753478 CLUTCH WITH FLUID OPERATED LOCK  
A clutch mechanism for coupling a first shaft to a second shaft comprising a friction plate which is connected to one shaft and a clutch housing, a pressure plate that is connected to the second...
Matches 1 - 50 out of 70 1 2 >