Fuel electrode doubling as support of solid oxide fuel cell and method of producing sameAn 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 reduci…DRIVE·Jul 30·1 min readFollowH01M4/8621RIKEN KK [JP]
PISTON RINGTo 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-…DRIVE·Apr 30·1 min readFollowC23C14/0641RIKEN KK [JP]
PISTON RINGTo 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…DRIVE·Mar 12·1 min readFollowB32B15/08RIKEN KK [JP]
Sealing arrangement for fuel cells and SOFC'sA 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 elect…DRIVE·Dec 4·2 min readFollowH01M8/0271RIKEN KK [JP]
PRESSURE RING AND METHOD FOR PRODUCING THE SAMETo 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…DRIVE·Apr 10·1 min readFollowC21D9/40RIKEN KK [JP]
OIL RING, METHOD OF PRODUCING THE SAME, AND PISTON STRUCTURE USING THE OIL RINGAn 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 …DRIVE·Jan 18·1 min readFollowF02F5/00RIKEN KK [JP]
CELL UNIT OF SOLID POLYMERIC ELECTROLYTE TYPE FUEL CELLA 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 seq…DRIVE·Dec 29·1 min readFollowH01M8/0206RIKEN KK [JP]
SPRAYING PISTON RINGA 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) contain…DRIVE·Oct 13·1 min readFollowC23C4/02RIKEN KK [JP]
STEEL PISTON RINGIn 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 …DRIVE·Apr 28·1 min readFollowF02F5/00RIKEN KK [JP]
Solid polymer electrolyte fuel cell unitA low-cost solid polymer electrolyte fuel cell unit including a metal separator is provided. The cell unit has a structure that may have high corrosion resistance and durability. The solid polymer ele…DRIVE·Dec 3·1 min readFollowH01M8/0204RIKEN KK [JP]
PISTON RING AND METHOD OF PRODUCING THE SAMEA manufacturing method of a piston ring is developed, wherein the method provides a countermeasure for wear of butt ends of the ion plating film coated piston ring and a countermeasure for breakage of…DRIVE·Nov 5·1 min readFollowC23C14/505RIKEN KK [JP]
Embossed current collector separator for electrochemical fuel cellA bipolar current collector separator (51) for a fuel cell composed of a metal plate having flow channels (81) and contact faces that come into contact with electrodes or collectors, wherein a corrosi…DRIVE·Dec 5·1 min readFollowH01M8/0206RIKEN KK [JP]