...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7673449 | Torus shapes for torque converters A torque converter in which the inner turbine output diameter or the inner pump input diameter is smaller than the inner stator passage diameter. ... | 03/09/2010 |
| 7654081 | Torus shapes for torque converters A torque converter in which a plurality of output openings of the pump form a cone-shape so that a plurality of input openings of the turbine are substantially parallel to the plurality of output openings of the pump. ... | 02/02/2010 |
| 7621122 | Torus shapes for torque converters A torque converter with torus shape that is sheared such that imagined axial sections through the torus shape, starting from the inner stator passage diameter, are shifted increasingly axially in one direction as the effective radius increases. ... | 11/24/2009 |
| 7357233 | Torque converter with a lock-up clutch assembly having a floating friction disk The torque converter includes a torque input member and an impeller assembly operatively coupled with the torque input member. A turbine assembly is connected with the impeller and a lock-up clutch is interposed between the turbine assembly and the torque input memb... | 04/15/2008 |
| 7225614 | Fluid coupling and method of manufacturing fluid coupling An impeller 3 configures a fluid chamber and includes impeller blades 17 and an annular impeller hub 18. A turbine 4 is disposed to face the impeller 3 and includes turbine blades 22 and an annular turbine hub 23 disp... | 06/05/2007 |
| 7198142 | Machine unit comprising a drive and a machine The invention relates to a high power machine unit. Said invention is characterized by the following features: a drive which has an output shaft; a machine which has a drive shaft; a converter (3) which is connected between drive and machine and can be filled... | 04/03/2007 |
| 7082755 | Torque converter with a thin torus turbine A torque converter includes an impeller and a turbine. The impeller has a substantially constant flow area from a radially inward inlet to a radially outward outlet through a toroidal path. The torque converter turbine has an inlet flow area substantially equal to t... | 08/01/2006 |
| 7021438 | Power transmission device for astride-riding vehicle A power transmission device for an astride-riding vehicle is provided, the power transmission device including a torque converter T and a clutch C disposed in series in a transmission route between an engine E and a gear speed change device M. The torque converter T... | 04/04/2006 |
| 6993903 | Stator blade mounted in a torque converter The present invention is related to a blade of a stator, where a passage is formed in the blade of a conventional stator which constitutes a torque converter and thereby generates stable torque and prevents sag in the stall state and at low speed ratios. The present... | 02/07/2006 |
| 6941752 | Stator support device and torque converter including the same A stator support device for supporting a stator of a torque converter includes a one-way coupling device including an outer race disposed radially inwardly of the stator, and an inner race disposed radially outwardly of a rotation axis of the torque converter, an en... | 09/13/2005 |
| 6631795 | Fluid coupling with baffle plate In a fluid coupling with a baffle plate protruding on the side of an inner peripheral surface of a circulating circuit, a clutch chamber is defined between a back of a turbine impeller and a side cover covering the back of the impeller, to communicate wit... | 10/14/2003 |
| 6487855 | Torque converter A torque converter includes a pump impeller, a turbine impeller, a stator impeller disposed between the pump impeller and the turbine impeller, and a free wheel which is interposed between the stator impeller and a stationary case and operable to lock the... | 12/03/2002 |
| 6460331 | Torque converter An oil passageway 102 for suppling oil to a torque converter 30 having a pump impeller, a turbine runner and a stator 33, or removing it therefrom is formed between the shaft member 41 of a stator shaft 40 and the boss portion 42a of its flange member 42 ... | 10/08/2002 |
| 6289674 | Hydrokinetic torque converter with asymmetrical toroidal chamber A hydrokinetic torque converter, which exhibits important advantages regarding the consumption of fuel and the operation at low RPM in the power train of a motor vehicle, has a stator, a pump and a turbine which jointly form a toroidal structure having a ... | 09/18/2001 |
| 6266958 | Stator 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 |
| 6226985 | Impeller wheel arrangement and turbine wheel arrangement for a hydrodynamic torque converter A turbine wheel arrangement for a hydrodynamic torque converter comprises an outer shell connected with a turbine wheel hub for common rotation and a plurality of blades arranged successively along the circumferential direction at the outer shell. A side ... | 05/08/2001 |
| 6220025 | Stator 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 |
| 6102175 | Torque converter A torque converter includes a front cover, an impeller, a turbine, a stator and a lockup clutch piston. The lockup clutch piston is located between the front cover and the turbine and is engaged and dis-engaged in response to changes in hydraulic pressure... | 08/15/2000 |
| 5655368 | Viscous damper for hydraulic power transmission Described is a viscous damper for a hydraulic power transmission with a lockup clutch. The viscous damper is composed of at least one blade mounted on at least one element of the hydraulic power transmission so that said at least one blade is located in a... | 08/12/1997 |
| 5522220 | High efficiency blade A vaned element of a fluid coupler such as a torque converter includes vanes having a depression extending from a leading surface area to a trailing edge of the vane. The depression avoids multiple surface layer changes which introduce turbulence to flow ... | 06/04/1996 |
| 5313794 | Fluid coupling A fluid coupling has capacity coefficients in forward and reverse driving which can be arbitrarily selected to comply with demand for a wide variety of characteristics in accordance with the intended application. Pump blades Bp and/or turbine blades Bt ar... | 05/24/1994 |
| 5282362 | Reduced leakage torque converter turbine and impeller A torque converter has a turbine and a pump with elastomeric linings on its core and shell surfaces proximate to the blades. The elastomeric linings are deformed where the blades engage the core and shell surfaces. This localized deformation effects a sea... | 02/01/1994 |
| 5279118 | Fluid coupling Herein disclosed is a fluid coupling which comprises: a pump impeller connected to the output shaft of an engine; and a turbine runner for transferring a working fluid to and from the pump impeller. On the pump impeller and the turbine runner, respectivel... | 01/18/1994 |
| 5255516 | Coreless torque converter In a torque converter of a coreless type allowing and utilizing a fluid flow in a central core region, the impeller blade exit angle is made smaller in the central core region than in an outer region surrounding the core region so as to increase the veloc... | 10/26/1993 |
| 4624105 | Hydraulic torque converter A hydraulic torque converter having an impeller, a turbine and a stator form a torus which has a median section of radial size larger than its axial size. The impeller and the turbine are configured to satisfy the relationship of R.multidot.b=K. The stato... | 11/25/1986 |
| 4608823 | Spragless torque converter apparatus and method A torque converter apparatus having a sprag-type stator is improved by grinding the fluid directing vanes to have a substantially flat surface and by replacing the one-way rotating sprag with a non-rotating solid sprag billet.... | 09/02/1986 |
| 3955367 | Fluid clutches In a fluid clutch of the type comprising cooperating pump and turbine elements between which toroidal power-transmitting liquid vortices can be established, control of the clutch by an operator is effected by moving a baffle within the working chamber bet... | 05/11/1976 |