Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16J - Pistons; Cylinders; Pressure vessels in general; Sealings › F16J 1 - Pistons; Trunk pistons; Plungers
Patents for F16J 1 - Pistons; Trunk pistons; Plungers (5,199)
06/1990
06/26/1990US4936269 Method and apparatus for reduced oil consumption and oil deterioration in reciprocating engines
06/20/1990EP0373516A1 Pistons
06/19/1990CA1270423A1 Pressure balanced seals for vented accumulators
06/12/1990US4932314 Segmented piston
06/07/1990DE3840841A1 Light alloy piston for internal combustion engines
06/06/1990CN1008294B Hydraulic centre oil transfusing and double cascode dual function hydraulic oil cylinder
05/1990
05/31/1990WO1990005867A1 Segmented piston
05/30/1990EP0370979A2 Press plunge having a separate press ring
05/29/1990US4928578 Pistons with bearing members
05/23/1990CA2003417A1 Press plunge having a separate press ring
05/22/1990US4926745 Pull rod assembly
05/09/1990CN1041990A Engine piston assembly and forged piston member therefor having cooling recess
05/03/1990WO1990004712A1 Engine piston assembly and forged piston member therefor having a cooling recess
05/03/1990WO1990004711A1 Piston assembly and piston member thereof having a predetermined compression height to diameter ratio
05/02/1990EP0295261B1 Pressure-balanced seals for vented accumulators
05/01/1990US4921736 Low friction, wear resistant plastic parts
05/01/1990US4920864 Reinforced piston
05/01/1990US4920862 Trunk piston compressor
04/1990
04/25/1990EP0327595B1 Single-piece, lightweight and low-friction light-metal piston for internal combustion engines
04/24/1990US4918806 Heat treating to form nitride film on surface
04/18/1990EP0363941A2 Low friction, wear resistant plastic parts
04/17/1990US4917003 Piston to rod mounting assembly
04/12/1990DE3834420A1 Piston
04/11/1990EP0362261A1 Coolable plunger piston for internal combustion engines.
04/05/1990WO1990003509A1 Two-cycle engine with offset piston ovality
04/04/1990EP0167523B1 Composite pistons and method of manufacturing thereof
04/03/1990US4913001 Piston assembly for compressors
03/1990
03/29/1990DE3839949C1 Lubrication system for a set of piston rings
03/28/1990EP0359932A2 Oil-cooled pistons for internal-combustion engines
03/28/1990EP0359750A1 A working cylinder
03/21/1990EP0358701A1 Provision for the combustion chamber surfaces of an internal combustion engine.
03/21/1990EP0287562B1 Trunk piston having two parts, especially for combustion engines
03/21/1990CN1040660A Polyurethane piston of slurry pump
03/20/1990US4910093 Piston blank for a forged piston
03/20/1990US4909133 Lightweight piston architecture
03/14/1990CN1007173B Reciprocating-piston compressor for small refrigerator and method for assembling same
03/07/1990EP0356457A1 Light-metal trunk piston for internal combustion engines.
03/06/1990US4905577 Line-contact-type spherical bearing for connecting piston to connecting rod
02/1990
02/27/1990US4903580 Piston for alternative endothermic engines creating oil cushion lubrication
02/22/1990DE3826931A1 Kolbendichtung Piston seal
02/13/1990US4899702 For an internal combustion engine
02/07/1990EP0353480A2 Pistons
02/07/1990CN2052449U Unitary piston with soft lip
02/06/1990US4898083 Piston head and rod assembly for a gear pump dry valve
01/1990
01/25/1990DE3922473A1 Jointed piston
01/24/1990EP0351977A2 Pistons
01/24/1990EP0351976A2 Pistons
01/18/1990DE3822457C1 Retainer for gudgeon pins
01/09/1990CA1264271A1 Rotary actuator having integral piston assembly with floating rack
01/03/1990EP0348567A1 Coupling and seal assembly
12/1989
12/28/1989WO1989012769A1 Working cylinder
12/27/1989EP0347617A2 Pressure vessel
12/27/1989EP0250790B1 Piston engine
12/19/1989US4887518 Internal combustion engine piston with threaded ceramic piston head
12/19/1989US4887449 Method for forming a piston having a peg
12/13/1989EP0345561A2 Telescopic device and method of making it
12/13/1989CN2049299U Improved free floating ball type steam trap
11/1989
11/30/1989WO1989011598A1 Device at expandable mounting means
11/29/1989CN1005923B 低碳马氏体活塞销 Carbon martensitic piston pin
11/23/1989DE3838288A1 Piston-connecting rod connection of a trunk piston internal combustion engine
11/23/1989DE3817203A1 Two-part piston, particularly for internal combustion engines
11/21/1989US4881455 Piston for use in a gas pump
11/15/1989EP0341390A2 Piston device for a piston unit
11/14/1989US4880330 Piston pin
11/09/1989DE3814384A1 Piston-connecting rod joining in internal combustion engines
11/07/1989US4878466 Piston of an internal combustion engine
11/02/1989DE3813638A1 Releasable coupling device
11/02/1989DE3813029A1 Connecting rod
10/1989
10/31/1989US4877115 Piston for a piston-cylinder unit
10/26/1989DE3812574A1 Piston with a piston ring
10/26/1989DE3812479A1 Piston for an internal combustion engine
10/24/1989US4875405 Sealing device
10/19/1989DE3838217A1 Trunk piston for internal combustion engines
10/11/1989EP0336892A1 Plunger compressor
10/10/1989US4872395 Crosshead per se, and in combination with a connecting rod assembly and a piston rod
10/10/1989US4872370 Piston rod assembly including preloaded piston head and composite rod
10/05/1989WO1989009344A1 A locking nut assembly
10/05/1989DE3809514A1 Antriebsvorrichtung fuer gurtstrammer Drive device for belt tensioner
09/1989
09/21/1989DE3808349A1 Two-part piston, particularly for internal combustion engines
09/20/1989CN1035634A Method for manufacturing piston
09/19/1989US4868067 Inorganic fibers alloys
09/19/1989US4867656 Free piston for use in an electromagnetic reciprocating compressor
09/19/1989US4867119 Engine piston assembly and forged piston member therefor having a cooling recess
09/14/1989DE3806929A1 Securing of piston pins
09/12/1989US4864986 Two-cycle engine with offset piston ovality
08/1989
08/30/1989EP0329906A1 Mobile equipment for combustion engine and combustion engine comprising it
08/22/1989US4858566 Axially symmetrical piston for reciprocal engines
08/22/1989US4858516 Brake cylinder-piston slave unit seal having radial roll-back protrusion for piston spring back retract
08/16/1989EP0327595A1 Single-piece, lightweight and low-friction light-metal piston for internal combustion engines.
08/15/1989US4856417 Trunk piston for use in an internal combustion engine
08/01/1989USRE33003 Joint system
07/1989
07/18/1989US4848213 Reciprocating piston compressor with offset cylinder
07/04/1989US4843952 Low-height articulated piston with skirt-overhanging guide portions on head
07/04/1989US4843698 Process for the production of a cast piston upper part of a two-part piston
07/04/1989CA1256761A1 Internal combustion engine piston and a method of producing the same
06/1989
06/27/1989CA1256465A1 Two piece piston for airsprings
06/26/1989EP0305504A4 High pressure reciprocator components.
06/20/1989CA1255983A1 Pistons and piston castings
06/14/1989EP0305521A4 Piston of internal combustion engine.
06/13/1989CA1255554A1 Reinforced pistons
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