Patents for F16J 1 - Pistons; Trunk pistons; Plungers (5,199)
07/1987
07/21/1987US4681326 Gas lubricated piston ring assembly
07/16/1987DE3600750A1 Piston and connecting rod for internal combustion engines and compressors
07/16/1987DE3600749A1 Bolt bearing for pistons for internal combustion engines and compressors
07/07/1987US4677901 Fiber-reinforced piston for internal combustion engines and associated method of construction
07/07/1987US4677900 Pistons for internal combustion engines
07/07/1987US4677722 Tapered piston pin
06/1987
06/25/1987DE3641783A1 Piston-con-rod joint for the transmission of tensile and compressive forces
06/25/1987DE3641782A1 Piston-con-rod joint for the transmission of tensile and compressive forces
06/25/1987DE3610133C1 Gudgeon pin
06/25/1987DE3543109C1 Piston/connecting rod arrangement
06/23/1987US4674399 Pistons for internal combustion engines
06/18/1987WO1987003663A1 Trunk piston having two parts, especially for combustion engines
06/16/1987US4672921 Compression retaining piston
06/16/1987EP0225477A2 Piston for internal combustion engines
06/02/1987US4669366 Aluminum plunger piston with thermal expansion regulating strip, for internal combustion engines
06/02/1987CA1222389A1 Connection between a first member and a bore in a second member
05/1987
05/27/1987EP0223288A1 Arrangement comprising a hydrodynamically journalled reciprocable and rotatable piston
05/26/1987US4667627 Engine parts and method of producing the same
05/26/1987US4667577 Pistons for combustion engines and/or for compressors and connecting rods therefor
05/20/1987EP0222359A1 Pistons
05/13/1987EP0221637A2 Piston and cylinder apparatus
05/12/1987US4664021 Protective coating of detonation-resistant material
05/07/1987DE3538426A1 Trunk piston, intended, in particular, for internal combustion engines, having a connecting rod rigidly attached to the gudgeon pin
05/07/1987DE3537868A1 Steel-banded piston with a control element which is preferably locally divided after casting
05/05/1987US4662319 Structurally lightened piston utilizable especially in an internal combustion engine
04/1987
04/29/1987EP0220094A1 Suspension gear with an oscillating arm for a vehicle
04/29/1987EP0219634A2 Compression ratio changing device using an eccentric bearing for an internal combustion engine
04/21/1987US4658487 Method for the manufacture of a piston
04/14/1987US4656711 Method for determining piston form for an internal combustion engine
03/1987
03/25/1987EP0215047A1 Pistons.
03/24/1987US4651782 Pressure-balanced seals for vented accumulators
03/24/1987US4651631 Manufacture of pistons
03/24/1987US4651629 Piston of refractory materials, particularly for compression-ignition engines
03/18/1987EP0214685A1 Light weight piston
03/17/1987US4650166 Two piece piston for airsprings
03/12/1987DE3629016A1 Peristrophic engine
03/11/1987EP0213294A1 Wrist pin
03/10/1987US4648309 Light alloy piston
03/10/1987US4648308 Internal combustion engine piston and a method of producing the same
03/10/1987CA1218909A1 Pistons for internal combustion engines
03/05/1987DE3601489C1 Method for securing components on a piston rod
03/04/1987EP0212343A1 Variable volume apparatus
02/1987
02/25/1987EP0211790A1 Displacement pump for deep wells
02/25/1987EP0211189A2 Trunk piston for combustion engines
02/24/1987US4644853 Piston and bearing assemblies
02/18/1987CN86105124A Piston arrangement
02/17/1987US4643078 Fiber-reinforced lightweight alloy piston for an internal-combustion engine and associated method
02/12/1987WO1987000890A1 Downhall mechanism for positive displacement pump for deep drilling
02/05/1987DE3527812A1 Built-up piston with a top and bottom part screwed together
02/05/1987DE3527417A1 Gudgeon pin for a reciprocating-piston internal combustion engine
02/03/1987US4640641 Piston pin construction and method for forming same
01/1987
01/29/1987DE3526212A1 Ring-belt piston with head/skirt area(s) locally separated in the ring grooves (ring groove areas) by the ring belts
01/27/1987US4638725 Light alloy piston
01/22/1987DE3525084A1 Piston for internal combustion engines
01/14/1987EP0207971A1 Piston and connecting rod combination
01/13/1987US4635596 Assembly of piston and connecting rod in internal-combustion engine
01/08/1987DE3523438A1 Light trunk piston for internal combustion engines
01/07/1987CN86204398U Floating tank type steam trap device
01/06/1987US4633765 Sleeve-core piston
01/06/1987US4633764 Silicon, crack resistance
12/1986
12/30/1986EP0206622A1 Ceramic-metal composite body
12/23/1986US4630958 Attaching coaxially a member or fitting with a bore therethrough to a shaft
12/17/1986EP0204792A1 Pistons.
12/16/1986US4629707 Containing yttrium oxide
12/16/1986US4628795 Piston of a pressure-medium actuator with a piston rod of adjustable effective length
12/10/1986EP0108746B1 Filled piston with central oil tube
12/03/1986EP0203344A1 Wrist pin bearing for reciprocating machines
11/1986
11/19/1986CN86101340A Reciprocating-pistion compressor for small refrigerator and method for assembling the same
11/12/1986EP0201116A1 Internal-combustion engine piston with oil cushion lubrication
10/1986
10/28/1986CA1213244A1 Electrochemically etching and friction plating cast iron work piece containing carbon
10/21/1986US4617887 Piston for internal combustion engine
10/15/1986EP0197178A1 Production method for pistons of brittle material
09/1986
09/30/1986US4614150 Built-up piston
09/12/1986WO1986005249A1 Pistons
09/10/1986EP0193591A1 Improvements in or relating to pistons.
09/09/1986CA1211010A1 Pistons
09/03/1986EP0192980A2 Light-weight trunk piston for internal-combustion engines
08/1986
08/13/1986EP0190124A1 Piston for internal combustion engines
07/1986
07/29/1986US4602596 Reciprocating piston-internal combustion engine with variable compression ratio
07/23/1986EP0188108A1 Pistons
07/22/1986US4601932 Rings for fluid drive assemblies
07/22/1986US4601235 Reciprocating pump piston
07/17/1986WO1986004128A1 Piston and connecting rod combination
07/15/1986US4599936 Integral strut and piston groove protector
07/15/1986US4599935 Plunger piston for internal combustion engines
07/03/1986WO1986003815A1 Pistons
06/1986
06/25/1986EP0185352A1 Light-weight piston, especially for an internal-combustion engine
06/24/1986US4596179 Reciprocating machine
06/18/1986EP0184974A2 Two piece piston for airsprings
06/10/1986US4593660 Piston drive for use in diesel engines or the like
06/10/1986US4593608 Lightweight piston-rod assembly for a reciprocating machine
06/10/1986CN85108901A Structurally lightened piston utilizable especially in an internal combustion engine
06/03/1986US4592268 For a reciprocating engine
05/1986
05/27/1986CA1204965A1 Filled piston with central oil tube
05/21/1986EP0181652A1 Light-metal piston
05/07/1986EP0180004A1 Linear hydraulic motor having a frangible piston head
05/06/1986US4587177 Piston
04/1986
04/23/1986EP0178747A1 The manufacture of pistons
04/15/1986US4581983 Piston for internal combustion engines
04/15/1986US4581982 Reciprocating piston internal combustion engine
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