About 67 results
https://drivepatents.com/patents/1099480 · 8 Jan 2003
An engine turbocharger includes a turbine inlet scroll (38) for conducting exhaust gas from a laterally offset position to the annular inlet of a turbine wheel (18). An outer wall (54) defines a generally S-shaped passage connecting an inlet flange with co...
https://drivepatents.com/patents/1099438 · 8 Jan 2003
An exhaust driven turbocharger (10) for a medium speed diesel engine such as for use in a diesel locomotive includes an exhaust duct (26) supported at one end by a rotor support (14) having rigidly connected feet (42) mountable upon a rigid base. The exhau...
https://drivepatents.com/patents/1099439 · 8 Jan 2003
A seal system for a four cycle engine turbocharger includes dual phase seals for limiting leakage from lubricated rotor support bearings to a turbine and/or compressor wheel of a rotor operational over an extended speed range. The dual phase seal combines ...
https://drivepatents.com/patents/1099770 · 18 Dec 2002
A method of operating a H-O fuel cell system comprising the principal steps of (1) providing a hydrogen-rich fuel gas having a first CO content sufficient to poison the fuel cell's anode, and (2) injecting oxygen into said fuel gas upstream of said fuel ce...
https://drivepatents.com/patents/1100724 · 30 Oct 2002
An improved turbocharger for railway locomotive sized engines includes, in a preferred embodiment, first and second axially spaced ball bearings supporting a rotor with the first bearing being a hybrid ceramic ball bearing mounted to accept both radial and...
https://drivepatents.com/patents/1101191 · 9 Oct 2002
Electrically variable transmissions embodying the concepts of the present invention utilize two planetary gear subsets (20,32), two motor/generators (46,48) and two clutches in the nature of torque transfer devices (62,64) to effect input split, compound s...
https://drivepatents.com/patents/1102172 · 28 Aug 2002
A bipolar plate assembly for a PEM fuel cell having a serpentine flow field formed on one side and interdigitated flow field formed on the opposite side such that a single plate member are usable for as an anode current collector and a cathode current coll...
https://drivepatents.com/patents/1103118 · 17 Jul 2002
A method and apparatus for detecting leakage current in the coolant of a fuel cell stack (60) between said stack (60) and the grounded stack chassis (62), using a voltmeter to measure the voltage (V1) across the coolant. If the coolant voltage (V1) is at o...
https://drivepatents.com/patents/1104873 · 2 May 2002
A self-locking telescoping device (10) including an outer tube (12), an inner tube (16) telescoped into the outer tube (12) having a cone-shaped ramp (34) at an inboard end, and a plurality of metal spheres (36) between the ramp (34) and the outer tube (12...
https://drivepatents.com/patents/1104850 · 2 May 2002
A proton exchange membrane fuel cell including a membrane electrode assembly comprising a proton transmissive membrane, a catalytic anode layer on one face of the membrane, and a catalytic cathode layer on the other face of the membrane. The fuel cell furt...