| Document |
Document Title |
|
WO/2007/147532A2 |
The invention relates to a piston ring for internal combustion engines, the piston ring comprises a steel or cast iron base material with a coating of chromium nitride deposited by a physical vapor deposition process on a sliding surface...
|
|
WO/2007/146381A2 |
The present invention is a process for producing molded parts (1) from a polymeric powder or metallic powder, wherein the molded part has a separation or a void (5,10). The separation or void is formed by inserting a separator or void-fo...
|
|
WO/2007/134658A1 |
The invention discloses a cast iron material for the production of piston rings and cylinder linings, characterized by a mixing arrangement consisting of > 50% predominantly tempered martensite, < 10% and > 0.5% primary carbides, < 30% p...
|
|
WO/2007/132587A1 |
A method of surface hardening which comprises coating the surface of an engine part with an alloy layer having excellent wearing resistance to improve the life of the part; and a process in which a piston or the like improved in wearing ...
|
|
WO/2007/128302A1 |
The invention relates to a piston ring (1) for the piston of an internal combustion engine, said ring comprising a ring gap (2) with a respective outer gap region (5, 6) in the vicinity of the upper flank (3) of the piston ring (1), said...
|
|
WO/2007/123164A1 |
A piston ring material that when formed into a piston ring product, maintains excellent properties, and that at the production of piston ring rod, realizes excellent processability and shape stability. There is provided a piston ring mat...
|
|
WO/2007/115790A1 |
The invention relates to a piston (1) for an internal combustion engine, comprising a piston upper part (2) which has a ring field (4) having a plurality of ring grooves, and a piston lower part (3), wherein there is provision according ...
|
|
WO/2007/099968A1 |
A piston ring capable of effectively preventing aluminum adhesion thereto. The piston ring comprises a piston ring body and a surface coating formed on either or both of the upper and lower surfaces of the piston ring body. The surface c...
|
|
WO/2007/100983A2 |
A fiber-to-the-home (FTTH) system transmits forward and reverse optical signals, such as video, voice, and data signals, via optical fiber, and includes a plurality of home network units. The home network units include an optical receive...
|
|
WO/2007/099846A1 |
[PROBLEMS] To provide a sliding member which has excellent initial fitting properties with a counter material and has a large abrasion loss reduction effect, particularly a piston ring which uses a cast iron cylinder liner as a counter m...
|
|
WO/2007/089924A2 |
In an engine, blow-by is substantially eliminated and friction is significantly reduced using one or more combinations of non-metallic rings. By substantially eliminating blow-by and by reducing friction, certain engine parameters may be...
|
|
WO/2007/088847A1 |
A three-piece oil ring in which sealing performance is enhanced and lubricant consumption is reduced even with low tension and thin width, and occurrence of sticking is eliminated. A combination of three- piece oil ring and a piston is a...
|
|
WO/2007/079834A1 |
A sliding element comprises at least one surface for sliding contact with a running face, wherein a wear layer (2) and a run-in layer (4) made from carbon are applied to the surface, and is characterized in that the run-in layer comprise...
|
|
WO/2007/081640A2 |
A flexible seal ring includes a first sealing face and a rear face is disposed opposite the front sealing face, the rear face is axially offset relative to the front sealing face. An upper face disposed between the front face and the rea...
|
|
WO/2007/039011A1 |
The invention relates to a method for producing an internal combustion engine piston which is provided with at least one cooling channel (12) and at least one reinforced piston ring groove (14) consisting in producing a piston blank (1),...
|
|
WO/2007/035588A2 |
A pressure gradient rotary sealing system is described which uses a pressure- reducing piston with differentials area to create a pressure drop across the system to reduce the pressure times velocity (PV) value to extend seal system life...
|
|
WO/2007/025533A1 |
The present invention relates to a method for manufacturing a piston ring (10) for internal combustion engines, having the following method steps: - machining of a metal strip (20), with the result that it acquires at least one beveled f...
|
|
WO/2007/016894A1 |
In the case of a two-part oil scraper ring (10) for internal combustion engines, having a U-shaped expanding-spring ring (1), which is provided with axial indentations (2), for forming radially outwardly aligned resilient limbs (3, 4) wh...
|
|
WO/2007/016893A1 |
In the case of a multi-part oil scraper ring (10) for internal combustion engines, having a U-shaped expanding-spring ring (1), which is provided with axial indentations (2), for forming radially outwardly aligned resilient limbs (3, 4) ...
|
|
WO/2007/010169A2 |
The invention concerns a device for sealing a piston (1), comprising at least one segment (2) mounted in a groove (4a) of the piston (1) and having a cross-section (8), a member for maintaining (3) the segment (2) in the groove (4a). The...
|
|
WO/2007/010393A2 |
An oil-control ring for an internal combustion engine, to be mounted between the sidewalls of a respective groove (10) of a piston (P) and comprising two ring segments (20) and an annular expander (30) disposed between the two ring segme...
|
|
WO/2006/134309A2 |
The invention concerns a device for sealing a piston (1), comprising at least one segment (2) mounted in a groove (4a) of the piston, characterized in that it comprises a member (3) for maintaining the segment (2) to press the segment (2...
|
|
WO/2006/131801A1 |
A piston ring for internal combustion engines with a coating of Chromium nitride (CrN) deposited by a physical vapor deposition process on a sliding surface with a typical crystal structure of CrN phase, has a high wear resistance and su...
|
|
WO/2006/125416A1 |
Disclosed is a packing seal for the piston of a reciprocating engine. Said packing seal can be inserted into a circumferential groove of the piston and is provided with three segment rings (10, 20, 30) that adjoin each other in an axial ...
|
|
WO/2006/125683A1 |
A piston ring (22) is covered at least partially with a layered structure (30). The layered structure (30) comprises: - a first intermediate layer (32) comprising at least one element of group IVB, group VB or group VIB; - a second inter...
|
|
WO/2006/123588A1 |
An annular piston packing (1) for an application machine, installed in a recessed circumferential groove (G) formed in an outer circumferential surface (Q) of a rectilinearly reciprocating piston (P). In a lateral cross-section of the pi...
|
|
WO/2006/118165A1 |
A reciprocating engine (1) having an annular top ring (5) as a first piston ring provided next to a top surface (head end surface)(4) of a piston (3) defining a combustion chamber (2), an annular second ring (6) as a second piston ring p...
|
|
WO/2006/117856A1 |
A reciprocating engine (1) has an annular top ring (5), as a first piton ring, provided adjacent a top surface (head end surface)(4) of a piston (3) defining a combustion chamber (2); an annular second ring (6), as a second piston ring, ...
|
|
WO/2006/097265A1 |
The invention relates to a piston for a reciprocating-piston internal combustion engine which is made of a nitride-forming base alloy and comprises a piston top part (1) provided with several circulatory piston ring grooves (4) and a pis...
|
|
WO/2006/094591A1 |
Disclosed is a cast iron material, especially a ledeburite cast iron material which has a high carbide content of at least 15.0 percent by weight and is provided with a characteristic, free, evenly distributed graphite embodiment that ca...
|
|
WO/2006/092087A1 |
The invention relates to a locating combined gas ring and piston assembly using it, which can be used in a variety of reciprocating piston engines. The gas ring includes an upper ring and a lower ring. An upper locating member is provide...
|
|
WO/2006/072293A1 |
The invention relates to a piston (1) pertaining to an internal combustion engine, said piston comprising a piston head (2) provided with an annular field (4), and a piston shaft (3) arranged beneath the annular field. Said piston shaft ...
|
|
WO/2006/071344A1 |
An oil-less/oil-free air brake compressor comprising a bore, a piston positioned for reciprocating in the bore, the piston having an annular recess and a rigid polymeric piston ring received within the annular recess, the piston ring hav...
|
|
WO/2006/058520A1 |
The invention relates to a piston ring (20) whose running surface (21) is provided with a coating containing a plastic material. Said piston ring is characterized in that the coating (22) is composed of at least one polyamide-imide and/o...
|
|
WO/2006/056507A1 |
A piston pump and a piston ring are disclosed. The piston pump comprises a pump case (11) in which a pump piston (12) is axially displaceable, so that when the pump piston (12) is actuated a fluid is conveyed from an inlet side (23) of t...
|
|
WO/2006/053489A1 |
The present invention relates to an oil sealing ring that used in internal combustion engine piston or compressor piston, characterized in that an access (3) is provided on the inner circumferential surface of the base ring (6), the axia...
|
|
WO/2006/054769A1 |
[PROBLEMS] To provide a piston of an internal combustion engine and a combination of the piston with three piston rings comprising two pressure rings and one oil ring of the internal combustion engine capable of sufficiently suppressing ...
|
|
WO/2006/018053A1 |
The invention relates to a cast iron material, particularly a novel cast iron material that is provided with excellent resistance to corrosion, resistance to wear, and bending strength. Said cast iron material has a matrix structure made...
|
|
WO/2006/018054A1 |
The invention relates to a cast iron material which is characterized especially by a matrix comprising > 50 percent of acicular ferrite, < 20 percent of austenite, < 30 percent of martensite, < 50 percent of perlite, and < 15 % of carbide.
|
|
WO/2006/006446A1 |
An oil ring for an internal combustion engine capable of securing the area of an oil passing hole without impairing the strength of an oil ring. The oil passing hole having two arc parts disposed oppositely to each other at both end part...
|
|
WO/2006/005288A1 |
The invention relates to a method for producing a coat on the outer peripheral surface of a piston ring base. According to said method, a plurality of layers is applied layer by layer to the peripheral surface by applying, using a PVD me...
|
|
WO/2006/003976A1 |
[PROBLEMS] To provide a piston ring for an internal combustion engine capable of maintaining a low friction even in a tapered cylinder by suppressing the occurrence of frictional force by the opening/closing of the piston ring. [MEANS FO...
|
|
WO/2005/123347A1 |
A seal (40) for use in a fastener-driving tool (10) on a component (22) moving relative to another component (20), includes a component body (46) defining at least one seal groove (48), a metallic ring (52) disposed in the at least one s...
|
|
WO/2005/121609A1 |
The invention relates to a method for the production of wear-resistant edges for a keystone ring for internal combustion engines, by means of which the occurrence of ring edge damage during engine operation is essentially avoided, whereb...
|
|
WO/2005/121608A1 |
A piston ring (3) for a two cycle internal combustion engine has a sealing portion (4) and a piston engaging portion (5) adapted to engage with a ring engaging portion of a piston (200) to restrict radial movement of the sealing portion ...
|
|
WO/2005/121403A1 |
The invention relates to a structural gliding component that is coated with chromium nitride and metallic chromium. The inventive structural gliding component is characterized in that the coating is composed of a plurality of individual ...
|
|
WO/2005/119103A1 |
A seal for a high-pressure system includes an energizing component (59d) having an aperture extending therethrough, and a seal jacket component (57d). The seal jacket component includes a base (63d) and a flared membrane (64d) extending ...
|
|
WO/2005/095827A1 |
The invention relates to a piston ring which has at least one bearing surface and an upper and a lower flank. The bearing surface is provided with a High Velocity Oxygen Fuel (HVOF) coating which has a surface roughness Rk < 0.10 µm.
|
|
WO/2005/083306A2 |
The invention relates to a multi-part oil scraper ring for pistons of internal combustion engines. Said ring comprises two lamellae consisting of a steel strip and having parallel flanks and an expanding spring that is located between th...
|
|
WO/2005/080836A1 |
A sealing arrangement for two relatively movable first and second parts and including a sealing ring positioned in a groove on one of the parts for sealing contact against the other one of the parts, so as to separate a first side of the...
|
