PISTON RING WITH TRAPEZOIDAL OPENNINGThe present invention relates to a piston ring with a trapezoidal opening, used for being sleeved on a piston ring groove of a piston and comprising a piston ring main body with an opening, wherein th…DRIVE·Apr 15·1 min readFollowF02F5/00MAHLE AUTOMOTIVE TECH CHINA CO LTD [CN]
PISTON RINGAn outer circumferential surface of a piston ring has a cut surface forming a notched portion between an outer circumferential end surface and a lower surface, the cut surface including a first surfac…DRIVE·Oct 22·2 min readFollowF02F5/00TPR CO LTD [JP]
SIDE RAIL AND OIL CONTROL RING COMPRISING SAMEA side rail forms an oil control ring together with a spacer expander, and includes: an outer peripheral surface; an inner peripheral surface having a vertically symmetrical shape in an axial cross se…DRIVE·Aug 20·1 min readFollowF02F5/00KK RIKEN [JP]
COMBINATION STRUCTURE OF PISTON AND PISTON RINGSA combination of piston rings assembled to a piston includes a first compression ring, a second compression ring, a third compression ring and an oil ring. When an axial width of the first compression…DRIVE·Dec 25·1 min readFollowF02F5/00TPR CO LTD [JP]
PISTON RING COMBINATIONIn this piston ring combination, a second outer peripheral surface, which is the outer peripheral surface of a second ring, has a second protruding surface curved into a convex shape, and a pair of th…DRIVE·Aug 7·1 min readFollowF02F5/00TPR CO LTD [JP]
PISTON RING PACKAGEThe invention relates to a piston ring package (100) for a piston (20) of a reciprocating internal combustion engine, a piston with such a piston ring package, a reciprocating internal combustion engi…DRIVE·Jun 19·1 min readFollowF02F5/00WINTERTHUR GAS & DIESEL LTD [CH]
Engines and pistons for themAn engine in which an oil consumption and a leakage of blow-by gas can be stably reduced for a long period of time has a piston including a first land 3, a first ring groove 4, a second land 5, a seco…DRIVE·Aug 14·2 min readFollowF02F5/00KUBOTA KK [JP]
OIL-RESERVING PISTON RINGAn oil-reserving piston ring includes an upper wedge ring (100a,200a) and a lower wedge ring (100b,200b) jointed with each other. The upper wedge ring (100a,200a) and the lower wedge ring (100b,200b) …DRIVE·Jun 26·1 min readFollowF02F5/00YANG ZENGLI [CN]
Oil scraping ringThe oil scraper ring (1) has a retaining ring (2) and a scraper (3) with a scraper disk (3a). The scraper is arranged in the retaining ring such that the scraper disk is aligned against the center of …DRIVE·Jul 25·1 min readFollowF02F5/00BURCKHARDT COMPRESSION AG [CH]
Combination oil ringA combination oil ring prevented from freeze up of the side rails and spacer expander, that is, a combination oil ring of the present invention provided with a top and bottom pair of side rails 11 and…DRIVE·Sep 14·2 min readFollowF02F5/00TEIKOKU PISTON RING CO LTD [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]
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]
