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 11 - Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type
Patents for F01B 11 - Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type (808)
01/1983
01/12/1983EP0028224B1 Tandem machine with opposite free pistons
12/1982
12/22/1982EP0031344B1 Machine with multi tandem free pistons
12/14/1982US4363451 Device for breaking a hard material
12/14/1982US4363258 Hydraulic impactor
11/1982
11/30/1982US4361074 Hydromechanical automatic reversing device for linear hydraulic rams
11/03/1982EP0064038A1 Method and device for dampening compressive stress waves
10/1982
10/27/1982EP0063514A1 Medium power free-piston electric generator
09/1982
09/28/1982CA1132458A1 Multi-tandem free sliding piston machine
09/28/1982CA1132457A1 Tandem machine with free sliding opposed pistons
09/07/1982US4347701 Power system for land vehicles
08/1982
08/24/1982US4345926 Expansion engine
08/24/1982US4345768 Self pumping seal for a reciprocating member
08/19/1982WO1982002743A1 Fluid-pessure operated motors
08/17/1982US4344353 Hammer
08/03/1982US4342255 Oscillator actuated hydraulic impulse device
05/1982
05/11/1982CA1123283A1 Reciprocating drive means
04/1982
04/20/1982US4325285 Compressed air motor
04/06/1982USRE30894 Oscillating piston apparatus
03/1982
03/31/1982EP0048697A1 Plant to convert gas-expansion energy into another form of energy by means of the reciprocating movement of at least one mobile piece
02/1982
02/10/1982EP0045472A1 Hydraulic power generator driven by a free piston engine
12/1981
12/15/1981US4305473 Power control device for pneumatic motors
12/15/1981US4305252 Centering and cooling equipment for a hydraulic vibration generator
11/1981
11/12/1981WO1981003130A1 Method and device for controlling inlet valves of a compressiontype chemical reactor
10/1981
10/27/1981US4296672 Reciprocating piston-cylinder combination and valving control therefor
10/27/1981CA1111321A1 Pneumatic hack saw
09/1981
09/22/1981US4290489 Vibrationless pneumatic tools
09/01/1981US4286929 Dual pressure gas motor, and method of operation
08/1981
08/25/1981CA1107565A1 Free piston fluid energy transfer device
08/18/1981US4284038 Reciprocating drive means
08/11/1981CA1106730A1 Centering and cooling equipment
08/06/1981WO1981002183A1 Slant axis rotary piston mechanism
08/05/1981EP0033026A2 Slant axis rotary piston machine
07/1981
07/08/1981EP0031617A1 Reciprocating positive displacement machine
07/08/1981EP0031344A1 Machine with multi tandem free pistons.
07/07/1981CA1104441A1 Fluid pressure servo detent mechanism
07/07/1981CA1104354A1 Free-piston regenerative hot gas hydraulic engine
07/01/1981EP0031273A1 Bistable elastic recuperation device
06/1981
06/23/1981US4274327 Expansible chamber device
05/1981
05/19/1981US4267695 Buoyancy energy engine
05/13/1981EP0028224A1 Tandem machine with opposite free pistons.
04/1981
04/29/1981EP0027784A1 A device for breaking a hard material
04/22/1981EP0027182A2 Expansion engine
04/22/1981EP0027123A1 Combustion piston engine provided with power control means.
04/07/1981US4259895 Vacuum motor
01/1981
01/08/1981WO1981000019A1 Machine with multi tandem free pistons
12/1980
12/30/1980US4242053 Free piston fluid energy transfer device
12/23/1980US4240326 Hydraulic vibration exciter and method of cooling thereof
12/11/1980WO1980002722A1 Pneumatic engine with piston slide
12/09/1980US4237831 Two-cycle engine
11/1980
11/13/1980WO1980002442A1 Tandem machine with opposite free pistons
10/1980
10/30/1980WO1980002309A1 Combustion engine using several kinds of fuels and having electronically adjustable intake and exhaust valves and injection device
09/1980
09/23/1980CA1086157A1 Multiple input, single output mechanical actuator
09/09/1980US4221155 Vibration-free hydraulic power system
08/1980
08/20/1980EP0014551A1 Opposed piston internal-combustion engine with special scavenging means
08/12/1980CA1083302A1 Water powered waste disposal unit
08/07/1980WO1980001588A1 Opposed piston internal combustion engine with special scavenging means
08/05/1980US4215548 Free-piston regenerative hot gas hydraulic engine
07/1980
07/08/1980CA1081269A1 Hydraulic inertia filled spring
07/01/1980US4210064 Method and device for braking the speed of movement of the piston of a plunger-cylinder device
04/1980
04/30/1980EP0010403A1 Free-piston regenerative hydraulic engine
04/16/1980EP0009919A1 Reciprocating drive means
03/1980
03/11/1980US4192419 Conveyor
02/1980
02/19/1980US4188857 Reciprocating pneumatic sanding and rubbing machine
01/1980
01/15/1980US4183217 Pressure limiting propellant actuating system
12/1979
12/25/1979US4179983 Hydraulic percussive machines
12/18/1979US4178838 Oil porting system for dual cylinder vibrator
12/18/1979CA1068118A1 Thermocompressor utilizing a free piston coasting between rebound chambers
12/11/1979US4177771 Rotary engines with free reciprocating-rotating pistons and jet thrust drive
12/11/1979US4177712 Air driven tool with double-ended aligned pistons oppositely driven
11/1979
11/27/1979US4175733 Hydraulic inertia filled spring
10/1979
10/30/1979US4172411 Hydraulic hammer
10/16/1979CA1064339A1 Pneumatically operated oscillator
10/09/1979CA1063871A1 Fluid operated hydraulic pump including an improved hydraulic fluid pressure release assembly
10/02/1979US4169433 Rotational machine
10/02/1979US4169404 Fluid pressure actuator
09/1979
09/11/1979US4167134 Compact fluid actuator
09/04/1979US4166411 Fluid-operated linear actuator
09/04/1979US4166410 Pneumatic motor
09/04/1979CA1061642A1 Fluid operated hydraulic pump including noise reduction means
08/1979
08/14/1979CA1060310A1 Hydraulic vibration exciter and method of cooling thereof
06/1979
06/19/1979US4158293 Refrigeration system with magnetic linkage
05/1979
05/15/1979CA1054383A1 Hot-gas reciprocating machine
02/1979
02/27/1979US4141220 Multiple input, single output mechanical actuator
02/13/1979US4138928 Fluid actuated apparatus
01/1979
01/30/1979CA1047311A1 Fluid operated hydraulic pump
01/02/1979US4132505 Thermocompressor utilizing a free piston coasting between rebound chambers
12/1978
12/05/1978US4128083 Gas cushioned free piston type engine
11/1978
11/14/1978CA1042312A1 Hydraulic percussive machines
10/1978
10/10/1978US4118943 Refrigeration system with magnetic linkage
09/1978
09/19/1978US4114515 Adjustable self-reciprocating operator
07/1978
07/25/1978US4102249 Pneumatically driven devices
06/1978
06/06/1978US4093406 Fluid operated hydraulic pump including noise reduction means
05/1978
05/02/1978US4087205 Free-piston engine-pump unit
04/1978
04/25/1978US4085710 Hydraulic engine piston
04/04/1978US4082229 Water powered waste disposal unit
02/1978
02/28/1978US4076465 Volumetric proportioning diluter
02/21/1978US4074612 Fluid operated hydraulic pump
11/1977
11/15/1977US4058382 Hot-gas reciprocating machine with self-centered free piston
11/08/1977US4057040 Internal combustion engine system
07/1977
07/26/1977US4037520 Fluid motor apparatus
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