Patents for F16J 1 - Pistons; Trunk pistons; Plungers (5,199) |
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02/06/2008 | CN201016390Y Piston structure improvement of metal extrusion press oil-hydraulic cylinder |
02/06/2008 | CN100366883C 往复式发动机 Reciprocating engines |
02/05/2008 | US7325478 High pressure low volume pump |
01/31/2008 | WO2008011909A1 Piston portion for a piston assembly and a piston assembly |
01/29/2008 | US7322273 Piston-piston rod retaining assembly for a hydraulic piston and cylinder unit |
01/24/2008 | WO2007135534A3 Piston for internal combustion engine and internal combustion engine with the same |
01/24/2008 | US20080017025 Variable Tension Ring Mechanism |
01/24/2008 | US20080017024 Piston for internal combustion engine |
01/24/2008 | DE102006033984A1 Differential piston has front surface which closes first fluid chamber and rear surface closing second chamber, chambers being fed with fluid via three fixed fluid channels and fourth, vertical channel through piston behind rear surface |
01/24/2008 | DE102006033293A1 Cylinder and piston, especially for an internal combustion motor, are in a cross section with different curve radii in zones around the periphery |
01/23/2008 | EP1881189A1 Piston-cylinder system and hydraulic compensation device |
01/23/2008 | EP1880130A1 Pin for swivel joints on crank mechanisms |
01/16/2008 | EP1877659A1 Piston for a combustion engine and method for coating the hub bores thereof |
01/15/2008 | CA2204534C Piston compressor of the horizontal type |
01/10/2008 | US20080006148 Pump crosshead and connecting rod assembly |
01/09/2008 | EP1875977A1 Ring insert cooling duct interconnection |
01/09/2008 | EP1797358B1 Reciprocating machine |
01/09/2008 | CN201003603Y Plunger type braking master cylinder piston |
01/03/2008 | WO2008002256A1 Device at a hydraulic cylinder |
01/03/2008 | DE102006029040A1 Piston for use in reciprocating internal combustion engine of vehicle, has piston pin bearing with bearing sections for bearing piston pin, and piston skirt produced from sheet material, where sections are formed by double wall structure |
01/02/2008 | EP1507970B1 Piston for internal combustion engines |
12/27/2007 | DE102006025579B3 Piston rod for e.g. passenger car`s vibration damper, has axial transit channel via which mounting screw is guided, where thread connections provided by screw are accessible for adjustment of pre-stressing in each stroke position of rod |
12/26/2007 | EP1870195A1 Micro-concave portion machining method |
12/26/2007 | EP1504182B1 Cooled piston for an internal combustion engine |
12/26/2007 | CN200996472Y Piston in balance cylinder of pressurizer |
12/26/2007 | CN200996471Y Balance-cylinder piston for pressurizer |
12/25/2007 | US7311075 Split piston for an internal combustion engine |
12/21/2007 | WO2007146921A2 Liquid dispensing syringe |
12/20/2007 | US20070289442 Half-sleeved and sleeveless plastic piston pumps |
12/20/2007 | DE102006027351A1 Piston structure for an internal combustion engine has holes in a piston's hubs fitted with a bolt placed so as to float and be secure against side movement |
12/19/2007 | CN101090800A Connecting rod assembly for an internal combustion engine and method of manufacturing same |
12/18/2007 | US7308850 Piston for combustion engine |
12/18/2007 | US7308849 High-pressure pump, in particular for a fuel injection device of an internal combustion engine |
12/13/2007 | CA2549972A1 Piston carrying guide tube |
12/12/2007 | CN200989339Y Hydro-cylinder controlled by electromagnetic force |
12/12/2007 | CN101087942A Piston for a combustion engine and method for coating the hub bores thereof |
12/12/2007 | CN101087941A Piston for a combustion engine |
12/12/2007 | CN100354048C Fluid dispenser pump |
12/11/2007 | US7305960 Piston for an internal combustion engine |
12/06/2007 | WO2007047799A3 Two-speed cylinder |
12/06/2007 | US20070280777 Sliding self-locking mechanism |
12/06/2007 | DE202006011541U1 Gießkolben Casting piston |
12/06/2007 | DE102007006948A1 Production of an annular groove of the base of a steel piston of an internal combustion engine comprises providing the groove with a layer absorbing the energy of laser beams before or during hardening and impinging with laser beams |
12/05/2007 | CN101084088A Method of manufacturing a connecting rod assembly for an internal combustion engine |
12/05/2007 | CN100353094C Piston for an internal combustion engine |
12/05/2007 | CN100352968C Engine piston-pin sliding structure |
12/04/2007 | US7302884 Piston |
11/29/2007 | WO2007135534A2 Piston for internal combustion engine and internal combustion engine with the same |
11/29/2007 | US20070272078 Piston Device for Internal Combustion Engine |
11/21/2007 | EP1856431A1 Shape detail of a piston to avoid jamming within a distorted bore |
11/20/2007 | US7296862 Collapsible track undercarriage for installation and tensioning |
11/14/2007 | CN101070575A Composite aluminium alloy for piston and producing process |
11/13/2007 | US7293497 Piston |
11/08/2007 | WO2007124783A1 Assembly of cylinder and piston, and piston for use therein |
11/08/2007 | US20070256557 Sealing Device |
11/08/2007 | DE102006020861A1 Vorrichtung zum Schmieden von buchsenartigen Gegenständen sowie ein danach hergestelltes Schmiedeteil Apparatus for forging bush-like objects and then produced a forged part |
11/07/2007 | CN101069034A Piston for automatic transmission |
11/07/2007 | CN101069007A Piston for internal-combustion engine and combination of piston and piston ring for internal-combustion engine |
10/31/2007 | DE102006015265A1 Kolben für eine Verbrennungskraftmaschine mit variabler Verdichtung Piston for an internal combustion engine with variable compression |
10/31/2007 | CN100346093C Piston-pin bearing for internal combustion engines |
10/24/2007 | EP1334268B1 cylinder inside prespray processing method |
10/23/2007 | US7284526 Ellipsoid roller bearing piston ring |
10/18/2007 | WO2007115527A1 Pin bosses of a piston for an internal combustion engine |
10/18/2007 | WO2007115526A1 Piston for an internal combustion engine |
10/18/2007 | WO2007115525A1 Piston for an internal combustion engine |
10/18/2007 | DE102006015585A1 Kolben für einen Verbrennungsmotor Piston for an internal combustion engine |
10/17/2007 | EP1725695A4 Coated piston pin |
10/17/2007 | EP1456567B1 Brush seal |
10/17/2007 | CN200961683Y Hydraulic piston cylinder plunger |
10/16/2007 | US7281449 Connecting rod and bearing-equipped connecting rod |
10/11/2007 | US20070235003 Piston formed by powder metallurgical methods |
10/11/2007 | DE112005002856T5 Kolben für Verbrennungsmotor und Kombination aus Kolben und Kolbenring für einen Verbrennungsmotor Pistons for internal combustion engine and combination of piston and piston ring for an internal combustion engine |
10/11/2007 | DE102006015605A1 Kolbenanordnung Piston assembly |
10/11/2007 | DE102006015587A1 Oberteil eines gebauten Kolbens Upper part of a composite piston |
10/11/2007 | DE102006015586A1 Bolzennaben eines Kolbens für einen Verbrennungsmotor Pin bosses of a piston for an internal combustion engine |
10/10/2007 | CN200958599Y Piston and piston-bar integrated structure |
10/10/2007 | CN101049668A Hot riveting technique in use for piston rod |
10/10/2007 | CN100342137C Combination of chamber and piston, pump, motor, shock absorber and transducer incorporating the combination |
10/09/2007 | US7278390 Piston-pin boss of a piston for an internal combustion engine |
10/04/2007 | US20070227350 Lubricant-cooled and wristpin lubricating piston |
10/04/2007 | DE102006014222A1 Piston of hydrostatic piston machine, e.g. axial piston engine in angular plate, has cavity hole with expansion body, which is arranged, and is made of material with large thermal expansion co-efficient |
10/03/2007 | EP1840419A1 Piston with surface finishing |
09/27/2007 | DE102006013904A1 Piston pin safety device for piston pin of combustion engine, has locking element with radial contact surface, which is provided at each end face of piston pin and lies at assigned locking rings |
09/26/2007 | CN100339616C Brush seal |
09/25/2007 | US7273355 Compressor assembly with piston having multiple cross sections |
09/25/2007 | US7273004 Reciprocating machine |
09/20/2007 | DE102007009514A1 Unten geschlossener Zylinderkolben und Verfahren zum Herstellen eines unten geschlossenen Zylinderkolbens Below are closed cylinder piston and method for producing a bottomed cylinder piston |
09/19/2007 | EP1430211B1 Method for producing a piston or piston head for an internal combustion engine |
09/19/2007 | CN200949650Y Integral lock ring type piston |
09/19/2007 | CN101040136A One piece cast steel monobloc piston |
09/12/2007 | EP1831562A1 Piston-cylinder arrangement for a reciprocating compressor |
09/12/2007 | CN100337020C Manufacutring technology of friction pair four composite unit without grinding |
09/06/2007 | US20070204747 Internal combustion engine with improved thermal efficiency |
09/06/2007 | US20070204746 Piston Pin Bearing For Pistons Of An Internal Combustion Engine |
09/06/2007 | DE112005002731T5 Kolben für ein Automatikgetriebe Piston for an automatic transmission |
09/06/2007 | DE102006008910A1 Kolbenbolzen mit Gleitschichten für Pleuelaugen in Verbrennungsmotoren Piston pin with overlays for connecting rod in internal combustion engines |
09/05/2007 | CN101031742A Piston having centered pin hole and skirt profile |
09/05/2007 | CN101028682A Bottomed cylindrical piston and method of manufacturing bottomed cylindrical piston |
08/30/2007 | US20070199442 Piston pin with slide layer for connecting rod eye for internal combustion engines |
08/30/2007 | DE102007008965A1 Piston e.g. for vehicle air spring, has cap-like piston body which can be connected with flexible spring bellows and has connection |