About 13 results
https://drivepatents.com/patents/971868 · 30 Jul 2014
An object of the present invention is to provide a fuel electrode doubling as a support nf a solid oxide fuel cell, whose conductivity and strength hardly lower through repetitive exposure to a reducing atmosphere/oxidazing atmosphere. Specifically, a fuel...
https://drivepatents.com/patents/975624 · 30 Apr 2014
To provide a high-thermal-conductivity piston ring having excellent scuffing resistance and wear resistance, which can be used in a high-heat-load environment in engines, a TiN coating as thick as 10-60 µm, in which the texture coefficient of a (220) plan...
https://drivepatents.com/patents/977497 · 12 Mar 2014
To provide a piston ring which, when used in a high-output engine, can sustain an excellent effect of suppressing aluminum adhesion, over a long period. [0002] Either or both the upper and lower sides of the piston ring are covered with a resin-based film ...
https://drivepatents.com/patents/981256 · 4 Dec 2013
A fuel cell includes: a cell which has a first electrode to be exposed to a first gas, a second electrode to be exposed to a second gas and an electrolyte interposed between the first and second electrodes and which has a first circumferential surface cons...
https://drivepatents.com/patents/992086 · 10 Apr 2013
To provide a price-competitive compression ring having excellent thermal conductivity and thermal sag resistance, which can be used in a high-thermal-load environment of high-compression-ratio engines, steel identified by the material number of SUP 10 in J...
https://drivepatents.com/patents/1070796 · 18 Jan 2006
An oil ring 1 comprises an annular oil ring body 10 having a pair of rail portions 12 at its axially upper and lower portions and butt ends, and a coil expander 20 assembled in the inner periphery of the oil ring body 10. The cross-sectional profile taken ...
https://drivepatents.com/patents/1072536 · 16 Nov 2005
In mounting a combined oil control ring in a ring groove formed in a piston, the combined oil control ring is mounted in a form that an opening between but ends of an oil ring body is widened. In such an operation, it is likely that a coil expander falls o...
https://drivepatents.com/patents/1081305 · 29 Dec 2004
A polymeric electrolyte membrane (2) has gas diffusive electrodes (3,4) on either sides, respectively. The graphite collector (5), gas permeable buffer layer (6) and metal separator (7) are formed sequentially on each electrode. An anticorrosive coating (9...
https://drivepatents.com/patents/1083259 · 13 Oct 2004
A thermal spray coated piston ring having improved initial running-in propery, and having scuffing resistance and wear resistance is provided. The spray coating film (3) of the piston ring (1) contains from 2 to 40 mass % of Sn and from 5 to 50 mass % of g...
https://drivepatents.com/patents/1087682 · 28 Apr 2004
In a corner portion (2) defined between an outer peripheral surface (4) and a lower-side surface (3) of a steel piston ring (1), a groove (5, 6) having either an approximately quadrangular shape with a length of one side of 0.05 to 0.4 mm or an approximate...