Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01B - Machines or engines, in general or of positive-displacement type, e.g. steam engines › F01B 1 - Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements
Patents for F01B 1 - Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements (1,424)
06/1992
06/11/1992CA2098104A1 Radial piston motor or pump
06/10/1992EP0489005A1 Multicylinder self-starting uniflow engine
05/1992
05/29/1992WO1992008892A1 A method in a radial piston eccentric motor/pump and a corresponding radial piston eccentric motor/pump
05/26/1992CA1301658C Radial engine
05/06/1992CN1060922A Hole-alignment type hydraulic step cylinder for reactor control rod driving
05/05/1992US5109754 High torque low speed motor
05/05/1992US5109666 Solid fuel combustion device and a compressor
05/05/1992CA1299917C Hydraulic motor
04/1992
04/29/1992CN1060695A Hydraulic hollow water engine
04/22/1992EP0481046A1 Radial piston pump or engine.
04/02/1992WO1992005348A1 Internal combustion engine with motorcycle thermal parts
04/01/1992CN1016086B Vertical reciprocating pump
03/1992
03/10/1992US5094147 High torque low speed motor
02/1992
02/18/1992US5088285 Internal combustion engine
02/06/1992DE4024398A1 Stirling engine with tow cylindrical rotors and absorber - has working spaces in pairs of cylinders connected together by passages through heated and cooled sleeves
01/1992
01/22/1992CN2093906U New-type skew-axis engine
01/21/1992US5081840 Spool valve and piston power plant
01/02/1992DE4018944A1 Heat pump or refrigerating machine - has three pistons connected by triangular linking element
11/1991
11/23/1991WO1991018188A1 Rotary machine
11/23/1991CA2083517A1 Rotary machine
10/1991
10/25/1991WO1991016547A1 Radial piston pump or engine
10/25/1991CA2060502A1 Radial piston pump or engine
10/23/1991EP0489005A4 Multicylinder self-starting uniflow engine.
10/15/1991US5056991 Cryogas pump
09/1991
09/18/1991CN2084990U Serial structure of two co-operating cylinders
09/17/1991US5049039 Radial piston and cylinder compressed gas motor
09/10/1991US5046459 Oscillatory motion apparatus
08/1991
08/14/1991DE4104284A1 Radial piston engine - has shaft on output side mounted in sleeve fitted in casing and retained by cover which also houses seal
08/14/1991CN1013507B Radial-piston engine
07/1991
07/23/1991WO1991010848A1 Crank mechanism
07/23/1991CA2073457A1 Crank mechanism
07/17/1991CN1053109A Vertical reciprocating pump
07/10/1991EP0325584B1 A fluid motor
07/10/1991CN1052925A Double-cylinder internal combustion engine with combined crank with slider
06/1991
06/25/1991US5025759 Lever-type two-cycle internal combustion engine
06/04/1991US5020422 Piston/cylinder assembly
05/1991
05/22/1991EP0422082A4 Radial cylinder machine
05/07/1991US5012724 Radial piston hydraulic motor of variable cylinder capacity
04/1991
04/17/1991EP0422082A1 Radial cylinder machine.
04/11/1991DE3931644A1 Four-stroke IC engine - consists of two V-six units coupled together by bevel gears
02/1991
02/28/1991DE3927853A1 IC engine using continuous supply of heat - has suction and compression cylinder and expansion and exhaust cylinder
02/12/1991US4992669 Modular energy system
01/1991
01/22/1991US4986226 Internal combustion engine
12/1990
12/20/1990DE3940945A1 Engine assembly for motor vehicle - consists of several engines mounted in line with crankshafts connected by clutches
12/12/1990CN2067328U Booster water injection pump
12/04/1990US4974496 A hydrocyclic motor
11/1990
11/29/1990WO1990014501A1 Multi-cylinder positive displacement machines
11/08/1990DE3914603A1 Pistons in radial piston machine - have angled contact between piston tip and stroke ring
10/1990
10/30/1990US4966067 Involute cam actuator with piston drive
10/30/1990US4966042 Balanced reciprocating machines
10/10/1990CN2063583U Series wl vertical short-run vacuum pump
09/1990
09/12/1990CN2061976U Energy-saving reciprocative vacuum pump
08/1990
08/14/1990US4947731 Multicyclinder self-starting uniflow engine
08/07/1990US4945816 Radial piston hydraulic motor with rotary cam position encoder and valve control system
08/02/1990DE4002782A1 Piston engine with rotary inlet and outlet valves - makes use of control tube rotatable in bush
07/1990
07/19/1990DE3900033A1 Engine and machine with a positive displacement effect
07/12/1990WO1990007630A1 Multicylinder self-starting uniflow engine
06/1990
06/13/1990CN1008385B 马达组件 Motor assembly
05/1990
05/22/1990US4926803 Radial-piston engine
05/22/1990US4926744 Radial piston hydraulic machine with piston having twelve circumferential fluid bearing pockets
02/1990
02/21/1990CN2053239U Compressor with waste steam and cooling water recovery
02/06/1990US4898075 Hydraulically actuated indexing mechanism
01/1990
01/11/1990WO1990000218A1 Radial cylinder machine
12/1989
12/07/1989DE3818105A1 Device for the adjustment of the displacement of a radial piston hydraulic motor
11/1989
11/23/1989EP0342751A1 Radial piston hydraulic motor of variable cylinder capacity
11/15/1989CN2047722U Four-cylinder internal combustion engine with centralized output
11/02/1989WO1989010468A1 Piston machine
10/1989
10/31/1989US4876850 Combustion engine for solid block fuel
09/1989
09/26/1989US4869212 Modular universal combusion engine
08/1989
08/09/1989CN1034604A Radial-piston engine
08/02/1989EP0325584A1 A fluid motor.
07/1989
07/18/1989US4848282 Combustion engine having no connecting rods or crankshaft, of the radial cylinder type
06/1989
06/27/1989US4841929 Portable rotary power tool
06/26/1989EP0325584A4 A fluid motor.
06/21/1989EP0320576A2 Portable rotary power tool
06/07/1989EP0318967A2 Radial piston engine
05/1989
05/16/1989US4829879 Radial piston drive motor assembly with exhaust passages in cylinder
05/03/1989CN2036995U Crankshaft connecting rod mechanism for internal combustion engine
04/1989
04/18/1989US4822264 Reversible twin-chambered compressed-air motor
04/12/1989CN2035796U Gasoline engine for vehicle
03/1989
03/29/1989CN2035005U Double-cylinder electric pressure-testing pump with flywheel and planetary gear reducer
03/07/1989US4809503 Solid fuel bar combustion device and a compressor
02/1989
02/07/1989USRE32854 Adapter with modular components for a robot end-of-arm interchangeable tooling system
01/1989
01/10/1989US4796428 Double-acting forging hammer and method
12/1988
12/07/1988EP0155935B1 Stator-rotor piston internal combustion engine
11/1988
11/23/1988CN87107337A Third super low speed steam engine unit
10/1988
10/27/1988DE3711729A1 Adjustable crankshaft which makes it possible to perform continuous adjustment of the stroke of piston machines during operation
10/11/1988US4776304 Movement converter for use in an engine and the like
10/11/1988US4776258 Radial piston machine with pistons and piston shoes between faces
10/11/1988CA1242975A1 Oscillatory motion apparatus
09/1988
09/28/1988EP0284430A2 A reciprocal internal combustion engine
07/1988
07/28/1988DE3800005A1 Basic concept of an axial engine
07/14/1988DE3700052A1 Multi-piston internal combustion engine with common combustion chamber
06/1988
06/07/1988US4748895 Multiple stroke radial piston motor with radially extending guide segments on the rotor and with four rollers carried by each stroke transfer body
06/01/1988EP0269536A2 Internal-combustion engine with a star-shaped cylinder configuration, and without a crank shaft or connecting rods
05/1988
05/18/1988EP0267656A2 Device for recording the cylinder capacity of hydraulic motors having radial variable cylinder-piston unit
04/1988
04/13/1988CN85104410B High efficiency cylinder
04/06/1988EP0262280A1 Internal combustion engine having movable side walls
03/1988
03/22/1988US4732115 Interval spark ignition combustion engine
03/02/1988EP0257122A1 Fluid motor
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