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WO/2013/092814A1 |
The present invention relates in particular, but not limited to, a wind turbine hydraulic brake calliper. The brake calliper comprising a cylinder bore, a piston having a piston head and a piston skirt. The piston being received in the c...
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WO/2013/082379A1 |
A piston assembly for use in the cylinder block of a fluid translating device such as a hydraulic pump or motor. The piston assembly has an inner core having a working end, a driven end and an axial stem. An outer sleeve is positioned ab...
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WO/2013/063342A1 |
A piston assembly comprises a piston body, a connecting rod, and a wrist pin. The piston body includes a pair of first cross bores presenting a piston sliding surface. The connecting rod includes a second cross bore presenting a rod slid...
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WO/2013/058602A2 |
Although a pressure is boosted only one time in a hydraulic pressure booster cylinder for controlling and pressure-boosting working fluid by using air pressure according to the related art, the present invention may solve the above-descr...
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WO/2013/050355A1 |
The present application relates to a method for producing an engine component, more particularly a piston for an internal combustion engine, wherein an aluminium alloy is cast in the gravity die casting method. In this method, the alumin...
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WO/2013/050357A1 |
The present application relates to a method for producing an engine component, more particularly a piston for an internal combustion engine, wherein an aluminium alloy is cast in the low pressure die casting method. In this method, the a...
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WO/2013/050098A1 |
The invention relates to a method for the variable adjustment of a compression ratio of a combustion chamber, in particular a cylinder, of an internal combustion machine, according to which said compression ratio is adjusted by means of ...
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WO/2013/050100A1 |
The invention relates to a piston arrangement (12) for a combustion chamber, in particular a cylinder, having a variable compression ratio, of an internal combustion engine, which comprises a piston (14), a device (36) for variably adjus...
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WO/2013/050358A1 |
The present application relates to a method for producing an engine component, more particularly a piston for an internal combustion engine, wherein an aluminium alloy is cast in the low pressure die casting method. In this method, the a...
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WO/2013/050356A1 |
The present application relates to a method for producing an engine component, more particularly a piston for an internal combustion engine, wherein an aluminium alloy is cast in the pressure die casting method. In this method, the alumi...
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WO/2013/045289A1 |
The invention relates to a method for producing a piston (1) for an internal combustion engine, which piston has at least one cooling channel (2) and is produced from at least one upper part (4) and one lower part (5), wherein the coolin...
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WO/2013/046242A2 |
A piston (1, 31) and connecting rod (2) perfected for use in an internal combustion engine, comprises a connecting rod foot (3), provided with one extremity (4, 34) shaped in a spherical cup-socket (5, 35) concave on its internal surface...
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WO/2013/029583A1 |
The invention relates to a piston rod connection. A piston rod (5) has a spherical end (4) in the region (3) that contacts the piston (1). The piston has a spherical depression (3) in the region that contacts the piston rod, said spheric...
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WO/2013/026508A1 |
A piston - chamber combination comprising a chamber (186) which is bounded by an inner chamber wall (185) and comprising a piston inside said chamber to be engagingly movable relative to said chamber wall at least between a first longitu...
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WO/2013/021789A1 |
Provided is a piston structure for an internal combustion engine with which the tapping sound between the inner circumferential surface of a pin hole and a piston pin can be suppressed by retaining an oil film between the inner circumfer...
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WO/2013/022062A1 |
Provided is a piston configured so that frictional resistance between the skirt thereof and the inner surface of the cylinder is reduced to improve fuel consumption. A piston (1) for an internal combustion engine is configured so that, w...
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WO/2013/002739A1 |
In order to enable using water as a hydraulic liquid in a high-pressure piston pump for hydraulic circuits with nominal pressure more than 50 bar and up to at least 250 bar, on the one hand an area on the internal wall (10) of a cylindri...
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WO/2012/171089A1 |
The arrangement is applied to a compressor which comprises: a crankcase (40), carrying a cylinder (41) provided with a lateral slot (42) and in which is housed a piston (10) provided with two radial holes (11) and with an eccentric axial...
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WO/2012/171552A1 |
The invention relates to a piston for an internal combustion engine, said piston being cast from an aluminium-silicon alloy that further contains scandium and zirconium. In a method for producing a piston for an internal combustion engin...
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WO/2012/162717A1 |
An internal combustion engine implementation utilizing a piston with a port to allow cooling air to flow from the crankcase into the combustion chamber and to facilitate improved scavenging of the cylinder.
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WO/2012/165232A1 |
A piston main body (13) in a piston assembly (10A) of a fluid pressure cylinder (11) has a first piston member (40) and a second piston member (42) composed of a plate-shaped member. The first piston member (40) and the second piston mem...
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WO/2012/166039A1 |
The present invention concerns an arrangement for the mounting of a piston (2) onto a piston rod (4) for a hydraulic or pneumatic piston-cylinder unit (1), which piston (2) is provided with a penetrating hole (7) with an internal thread ...
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WO/2012/159610A1 |
The invention relates to a piston (1') for an internal combustion engine, comprising a piston crown (2), two pin bosses (10', 11'), and pin bores (12' 13') introduced into the pin bosses (10', 11'), wherein respective lubricating grooves...
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WO/2012/161159A1 |
The present invention relates to a coupling structure for a piston used in a fluid-pressure cylinder. The piston (16) in said fluid-pressure cylinder (10) contains a piston hole (44) that runs through the central part of said piston in t...
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WO/2012/143101A1 |
A bushing (40, 40A, 40B) having a middle axis and adapted for being inserted in an axial direction into a small end eye (31) of a connecting rod (100) may comprise a first bushing end surface (43) at a first axial end of the bushing (40,...
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WO/2012/130799A1 |
The invention relates to a piston for internal combustion engines, which has a piston skirt (11) having pin bores formed therein, wherein the inner surface of at least one pin bore (20), which comes in contact with a piston pin during pr...
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WO/2012/119584A1 |
The invention relates to a piston (10) for an internal combustion engine, comprising an outer circumferential cooling channel (19) and an inner cooling chamber (21), the cooling chamber base (22) having an opening (23) that is closed wit...
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WO/2012/116687A1 |
The invention relates to a piston (10, 110) for an internal combustion engine, comprising a piston head (11) and a piston skirt (17), wherein the piston head (11) has a circumferential ring part (15) and a circumferential cooling channel...
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WO/2012/116688A1 |
The invention relates to a piston (10, 110) for an internal combustion engine, comprising a piston head (11) and a piston skirt (17), wherein the piston head (11) has a circumferential ring part (15) and a circumferential cooling channel...
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WO/2012/116430A1 |
A piston-in-piston hydraulic unit is disclosed that utilises an elastic volume to store and release energy with each stroke by varying the hydraulic fluid volumes in and out of the hydraulic unit.
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WO/2012/113381A1 |
The invention relates to a piston/connecting rod assembly, comprising an upper piston part (10), which has a piston crown and a piston skirt (12) laterally adjacent to the piston crown, a lower piston part (20), which has at least one ho...
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WO/2012/114676A1 |
An engine is provided with a cylinder block comprising a bore, a piston that fits into the bore enabling free reciprocal motion so as to form a combustion chamber, a cylinder head with a valve hole that closes the combustion chamber and ...
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WO/2012/097893A1 |
The invention relates to a reciprocating piston (1) composed of ceramic material for a reciprocating-piston engine with crank drive, wherein the reciprocating piston (1) is rigidly screwed to a piston rod (26) by means of a screw (27; 76...
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WO/2012/097854A1 |
A piston assembly, including: a back plate and a piston fixed to the back plate and including: an indent circumferentially disposed proximate an outer circumference for the piston plate and including a radially disposed surface; and a gr...
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WO/2012/090872A1 |
The present invention provides a piston configured in such a manner that an increase in the sliding resistance of the piston against the cylinder is minimized and that the rotation of the moving portion of the piston relative to the base...
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WO/2012/084125A1 |
A piston assembly (103), comprising: a back plate (102) with an axially extending extrusion (108) continuously circumferentially disposed about the back plate; a piston (104) including an indent (114) circumferentially disposed proximate...
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WO/2012/084195A1 |
The invention relates to a bearing bushing (12) for a connecting rod (1) and to a combination of a connecting rod and a bearing bushing. The connecting rod (1) has a small end (2) which comprises a bearing bore (3), in particular for rec...
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WO/2012/083909A2 |
The invention relates to a hybrid pin (14) for connecting a piston for an internal combustion engine to a piston rod, said hybrid pin (14) consisting of a sleeve (3) made of steel and consisting of a core (2) which is pressed into the sl...
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WO/2012/079509A1 |
A double universal joint connecting rod, comprising a connecting rod shank (13), a first universal joint disposed at a first end of the connecting rod shank (13), and a second universal joint disposed at a second end of the connecting ro...
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WO/2012/067735A1 |
A sliding element 20, such as a bushing or bearing, includes a sintered powder metal base 24 deposited on a steel backing 22. The base 24 includes a tin, bismuth, first hard particles 40, such as Fe3P and MoSi2, and a balance of copper. ...
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WO/2012/065674A1 |
The present invention makes available a lightweight crank drive having components made of a lightweight steel which has a reduced density and has an ultra-high carbon content, and the method for manufacturing same. The lightweight crank ...
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WO/2012/062286A1 |
The present invention relates to a piston (10) for an internal combustion engine, comprising a piston head (11) and a piston skirt (15) delimited by a lower skirt edge (18), wherein the piston skirt (15) comprises a running surface (16) ...
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WO/2012/052485A1 |
A piston (100) for a pneumatic system, wherein the piston (100) comprises a base body (102) having a bore (104) for receiving a piston rod, two sealing rings (108, 110) on opposing main surfaces of the base body (102), and a magnetic rin...
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WO/2012/034647A1 |
The invention relates to a semifinished product blank, which is suitable for the production of a steel piston (1) for internal combustion engines having cylinder crankcases made of light metal alloys. Such a steel piston (1) comprises at...
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WO/2012/024779A1 |
A non-rotating piston (10) for slidable and longitudinal displacement within a corresponding channel housing (12) defining a housing axis (28) thereof includes a body (20) having a polygonal section formed with a plurality of rectilinear...
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WO/2012/017590A1 |
This reciprocating engine (1) is such that high-temperature high-pressure combustion gas (12) above a piston (2) is introduced during the initial period of an expansion step from a gas path hole (23) provided at the upper portion (22) on...
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WO/2012/010939A1 |
The invention relates to a hydraulic motor, including piston liners (A, B, C and D of figure A no. 07.07/12 and A, B, C, D and E of figure A no. 08.08/12) operating as double-acting cylinders, a hollow cavity being provided on the skirt ...
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WO/2012/011150A1 |
Disclosed is a piston structure (20) provided with a shaft (21), at least one disc-shaped flange (22) penetrated by the shaft (21), and an annular sealing member (23) outwardly projecting from the outer peripheral surface of the flange (...
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WO/2012/001887A1 |
The present invention provides a piston for a spark-ignition engine, comprising: a land part 18, an upper surface part of which has a crown part 26 forming a combustion chamber; a pair of skirt parts 20 extending downward from a peripher...
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WO/2011/149414A1 |
A sanitary piston head with a body, said piston head having a fluid-contact end and a drive end and comprising a resilient sealing skirt arranged to provide sealing abutment against the inner wall of a cylinder when said piston head is i...
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