U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...In 1790, the cost to obtain a patent was between $4 and $5.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 416/197C - Torque converters


Subclass of Class 416 - Fluid reaction surfaces (i.e., impellers)
No. of patents: 53
Last issue date: 05/08/2012


1    
NumberTitleIssue Date
8172537Extruded stator blade, stator with extruded blade, and method of forming a stator assembly with extruded blades
The present invention broadly comprises a stator blade assembly for a torque converter stator including an inner ring having first openings; an outer ring having second openings; and extruded blades with first and second ends. The first end is disposed in a respecti...
05/08/2012
8162612Stamped stator assemblies and methods for assemblying stamped stator assemblies
A stator for a torque converter, including a pump side blade plate with a first outer circumferential portion and a turbine side blade plate with a second outer circumferential portion in contact with the first outer circumferential portion. One of the first or seco...
04/24/2012
8157529Blade structure of torque converter and method for producing blade structure of torque converter
A blade structure of a torque converter, having a plurality of blades, is produced according to processes. The processes has (a) stamping a plane plate into a first shape, the first shape has (i) the plurality of circumferentially arranged blades, (ii) ring-shaped f...
04/17/2012
8128370Blade structure for torque converter and process of producing the same
A blade structure for a torque converter is produced as follows. A flat sheet is stamped into a shape including: a holding section; an inner connecting section located around the holding section, and held by the holding section; an outer connecting section located a...
03/06/2012
7353924Hydrodynamic torque converter
A hydrodynamic torque converter with a pump wheel, a turbine wheel, and a stator, which combine to form a hydrodynamic circuit, where the flow conditions in the hydrodynamic circuit can displace the turbine wheel axially toward the pump wheel when the converter is o...
04/08/2008
7341430Vane wheel for torque converter and manufacturing method
A vane wheel for torque converter with a plurality of blades formed integrally with a shell in a casting process is disclosed. The blade tilts relative to an axial direction of the vane wheel and has an inner surface located on a positive pressure side thereof and a...
03/11/2008
7290987Impeller hub for torque converter
A direct replacement impeller hub for the torque converter of an automatic transmission and a method of repairing an impeller assembly utilizing the replacement impeller hub to provide increased service longevity. In the present impeller hub the geometric roundness ...
11/06/2007
7275914Pelton bucket
Pelton bucket, Pelton wheel and a method of making and using the Pelton bucket. The Pelton bucket includes at least one exit edge. The at least one exit edge includes one of at least one partially concavely curved portion and at least one straight portion. The metho...
10/02/2007
7210290Reduced stall capacity torque converter
The apparatus of the present invention provides a torque converter that is looser at stall than it is at 0.8 speed ratio. The torque converter includes a stator having a plurality of stator blades. The stator blades each define a primary leading edge, a trailing edg...
05/01/2007
7150148Thrust receiving structure of torque converter cover
A front cover 5 of a converter cover 4 is formed with a punched hole 12, a thrust bearing 13 having the same outer shape as that of the punched hole 12 is fitted to the punched hole 12, a bearing housing 14 is fitted ...
12/19/2006
7083381Hydrokinetic torque converter stator blade construction
A stator blade for a hydrokinetic torque converter, the blade profile having geometric characteristics that improve torque flow efficiency in the converter torque flow circuit, whereby the torque converter efficiency at high speed ratios is improved without signific...
08/01/2006
7055316Fluid coupling for mobile equipment
In an assembly including a diesel engine, a fluid coupling connected to the flywheel of the diesel engine, a comminuting machine and a conveyor for feeding the comminuting machine, a fluid coupling module is common to various output power train assemblies. Slip spee...
06/06/2006
7048502Fluid coupling
A fluid coupling comprising a pump having an annular pump shell with an annular core ring mounted on a pump hub and a plurality of impellers radially arranged in the pump shell, and a turbine arranged facing the pump and having an annular turbine shell with an annul...
05/23/2006
6913437Hydrodynamic component
A hydrodynamic component with at least two rotating impellers which form a working chamber for a working circuit. A closed circuit coupled to the inlet to the working chamber and to the outlet from the working chamber. The closed circuit is pressure tight. Pressure ...
07/05/2005
6886330Hydroformed torque converter fluid coupling member
A method of manufacturing a torque converter fluid coupling member includes forming a plurality of hollow tubes having first and second ends and connecting the plurality of tubes together side-by-side in an annular array. Fluid may be carried through each tube from ...
05/03/2005
6840041Torque converter
In a torque converter comprised of three major rotating elements, namely a pump impeller formed integral with a converter cover, a turbine runner to which a driving power is transmitted through a working fluid from the pump impeller, and a stator disposed between th...
01/11/2005
6817834Impeller for fluid transmitting system
In an impeller for a fluid transmitting device, a cylindrical section is integrally formed at an inner peripheral edge of a shell and bent axially to extend through an inner periphery of a retainer plate, and a brazing material sump is provided between an outer peri...
11/16/2004
6805532Torque converter reactor
The reactor for a torque converter of the invention comprises a moulded body (32) able to be mounted around a reactor shaft (36) via freewheel (34), being arranged coaxially between an impeller (12) and a turbine (24) along one and...
10/19/2004
6773233Fitting of blades in hydrodynamic machines
A process of manufacturing a component for a hydrodynamic machine in which the component comprises a base body (16) and a plurality of blades (8) which are to be installed on the base body (16). The process comprises the steps of installing the ...
08/10/2004
6382916Blade assembly for hydraulic power transmitting apparatus and method of manufacturing same
A blade assembly for a hydraulic power transmitting apparatus is made up of a plurality of blades disposed at an equal distance from one another; a joint piece provided at a radially outer end of each of the blades; and a tie member for tying the blades t...
05/07/2002
6371728Impeller for hydraulic power transmitting apparatus and method of fixing blades of hydraulic power transmitting apparatus
An impeller for a hydraulic power transmitting apparatus has a shell and a plurality of blades fixed to the shell. Each of the blades has a blade main body and a fixing flange which is bent at an angle relative to the blade main body. The shell and the fi...
04/16/2002
6360533Hydrodynamic converter with channel inserts
A hydrodynamic converter coupling member for a torque converter has a simplified structure that can include plastic materials and permit a reduction in components with simplified assembly processes which may result in lighter components and reduced assemb...
03/26/2002
6266958Stator wheel for a hydrodynamic torque converter
A stator wheel for a hydrodynamic torque converter comprises a stator wheel hub arrangement and a plurality of stator wheel blades arranged successively in the circumferential direction of the stator wheel hub arrangement. Each stator wheel blade has a ra...
07/31/2001
6231309Shaped and finished metallic torque converter reactor
Transmission torque converter reactor thrust washer segments (12) comprising a surface hardenable aluminum alloy are subjected to electrical discharge machining (EDM) using an electrode (26) and under conditions effective to impart a hydrodynamic bearing ...
05/15/2001
6224330Fluid coupling
In a fluid coupling including a casing enclosing an impeller and a turbine wheel which is rotatably mounted in the casing, the turbine wheel is formed on its face turned toward the casing with scrapers designed to scrape off impurities that have settled o...
05/01/2001
6220025Stator for torque converter
A torque converter is provided with a stator assembly having a nonrotatable body portion and a plurality of blades pivotally attached to the body portion. The plurality of blades are pivotable between a first position for providing torque multiplication a...
04/24/2001
6216454Torque converter
A torque converter is designed to control the torque capacity C and prevent a constant torque capacity C when the speed ratio E is in the middle to high operational range. The torque converter includes a bladed pump impeller driven by an internal engine, ...
04/17/2001
6123505Stator produced by injection molding
A stator for a hydrodynamic torque converter which is produced by injection molding with axially drawn dies. The stator hub has stator blades produced by use of a thermoplastic material to fill the dies in the injection molding process. The stator blades ...
09/26/2000
6092985Connection for a torque converter
A driving connection is provided for torque transfer in the drive line of a motor vehicle for releasable connection of a crankshaft with a pump wheel of a coaxially mounted hydrodynamic torque converter in which the pump wheel is mounted so that it is rot...
07/25/2000
6065287Torque converter stator with projection or recession in thickness
Stator structure is provided which is capable of suppressing an increase in fluid sound while maintaining high driving force transmission efficiency. The stator structure is disposed between the turbine runner and pump impeller of a torque converter and i...
05/23/2000
6036439Front cover of a torque convertor having a boss formed on the front cover and a method for forming the boss on the front cover
The invention relates to a boss formed on a front cover. The boss is formed by deforming a portion of a front cover material, at a central portion thereof, such that the boss is formed unitarily with the front cover. The boss is further deformed to form a...
03/14/2000
6024538Impeller shell of torque converter and method of forming the same
An impeller shell 40a of a torque converter includes a main portion 41, a connection portion 42 and a stepped portion 43. The main portion 41 has a curved inner peripheral surface 41a carrying impeller blades, and is opposed to a turbine 5. The connection...
02/15/2000
6003311Stator blade of torque converter
A stator blade 13 has a blade tip 14, a blade trailing edge 15, a back 16 and a face 17. The blade tip 14 is an edge of the peripheral surface of the stator blade 13 near the turbine. The blade trailing edge 15 is an edge of the peripheral surface of the ...
12/21/1999
5996340Torque converter
A torque converter comprises a converter housing that has a plurality of connection areas on one axial side. The converter housing is connectable in rotation-proof fashion relative to a crank shaft at connection points located in the connection areas. The...
12/07/1999
5988981Pump impeller for a torque converter
A pump impeller for a hydrodynamic torque converter with a flange and a hub located radially inside and extending in the axial direction. The hub has a seat for a bearing and a sleeve is connected by a pressure fit to the pump impeller. The sleeve extends...
11/23/1999
5980208Torque converter hub sleeve convertible to various drive connections
A sleeve having a wear resistant surface is fitted over and secured to the outer surface of a hub for a bladed torque converter wheel. The sleeve may be secured by mechanical interference, bonding, or welding. The sleeve is adapted for use in transmission...
11/09/1999
5893704Torque converter
A torque converter for an automatic transmission includes a turbine having the vanes thereof retained by tabs which fit into fluid-tight recesses formed in the housing of the turbine....
04/13/1999
5771691Torque converter having spatially oriented flat turbine blades
A torque converter for translating kinetic energy between a prime mover and a transmission including a turbine assembly rotatable about an axis and which includes a shell, a core and a plurality of turbine blades mounted therebetween. The turbine blades h...
06/30/1998
5720595Composite wheel and metal hub for a torque converter or fluid coupling
A turbine wheel for a torque converter for an automatic transmission is formed of fiber-reinforced plastic resin molded about a powder metal hub having a disc formed with corrugations extending radially from a central axis, and slots extending through the...
02/24/1998
5706656Hydrokinetic torque converter and method of manufacture thereof
A hydrokinetic torque converter which includes pump wheels and/or turbine wheels in particular of a Fottinger coupling, wherein all the required blades are stamped in the form of blade blanks, out of a round stamping blank in a single operating process, i...
01/13/1998
1    
 
Sign InRegister
Username  
Password   
forgot password?