| |
 |
|
Class Information
Number: 91/229
Name: Motors: expansible chamber type > Cyclically operable > Distributor in piston (422) > Distributor operated by abutment with cylinder head
Description: Apparatus in which the distributor is cyclically moved by a part thereof contacting the cylinder head in the working chamber.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6505538 |
Multicylinder self-starting uniflow engine |
Jan. 14, 2003 |
| 6398527 |
Reciprocating motor with uni-directional fluid flow |
Jun. 4, 2002 |
| 6155353 |
Impact tool |
Dec. 5, 2000 |
| 6065387 |
Piston apparatus for gas/liquid pipeline |
May. 23, 2000 |
| 6012377 |
Shuttle valve of a reciprocating pneumatic motor for hydraulics |
Jan. 11, 2000 |
| 5806403 |
Multicylinder self-starting uniflow engine |
Sep. 15, 1998 |
| 5540136 |
Reciprocating piston motor operating on pressure medium |
Jul. 30, 1996 |
| 5513963 |
Direct action fluid motor and injection pump |
May. 7, 1996 |
| 5505224 |
Device for controlling piston displacement and pump including same |
Apr. 9, 1996 |
| 5269382 |
Impact device |
Dec. 14, 1993 |
| 5261311 |
Reciprocating hydraulic motor with a differential piston |
Nov. 16, 1993 |
| 5243897 |
Magnetically actuated fluid motor |
Sep. 14, 1993 |
| RE34301 |
Fluid operable engine |
Jul. 6, 1993 |
| 5209152 |
Airfoil changeover device |
May. 11, 1993 |
| 5203251 |
Motor with spring elements formed on valve assembly |
Apr. 20, 1993 |
| 5150643 |
Reciprocating actuator |
Sep. 29, 1992 |
| 5137435 |
Compression spring fluid motor |
Aug. 11, 1992 |
| 5120202 |
Switching device for reciprocating pumps |
Jun. 9, 1992 |
| 5065824 |
Hydraulically powered repetitive impact hammer |
Nov. 19, 1991 |
| 5055008 |
Proportionating pump for liquid additive metering |
Oct. 8, 1991 |
| 5002468 |
Switching device for reciprocating pumps |
Mar. 26, 1991 |
| 4949622 |
Fluid operable engine |
Aug. 21, 1990 |
| 4947731 |
Multicyclinder self-starting uniflow engine |
Aug. 14, 1990 |
| 4879943 |
Expansible chamber motor with snap-acting valve |
Nov. 14, 1989 |
| 4846634 |
Water to emulsion transformer |
Jul. 11, 1989 |
| 4798125 |
Pneumatic type of hydraulic structure |
Jan. 17, 1989 |
| 4756329 |
Devices for the injection of an additive product metered into a main fluid |
Jul. 12, 1988 |
| 4669553 |
Percussion tool |
Jun. 2, 1987 |
| 4587732 |
Cable cutting and crimping |
May. 13, 1986 |
| 4521963 |
Hydraulic cable and rod cutting and crimping device |
Jun. 11, 1985 |
| 4506742 |
Vibrationless percussion tool |
Mar. 26, 1985 |
| 4473340 |
Combined fluid pressure actuated fuel and oil pump |
Sep. 25, 1984 |
| 4470338 |
Self oscillating vacuum actuator |
Sep. 11, 1984 |
| 4458579 |
Hydraulically driven reciprocating motor |
Jul. 10, 1984 |
| 4373425 |
Hydraulic engine |
Feb. 15, 1983 |
| 4356583 |
Liquid-operated reciprocating prime mover assembly and body washing apparatus incorporating same |
Nov. 2, 1982 |
| 4352644 |
Air-hydraulic pump |
Oct. 5, 1982 |
| 4286929 |
Dual pressure gas motor, and method of operation |
Sep. 1, 1981 |
| 4204812 |
Vacuum system |
May. 27, 1980 |
| 4141215 |
Windmill mechanism |
Feb. 27, 1979 |
| 4127057 |
Reciprocating fluid stroke motors with automatic control |
Nov. 28, 1978 |
| 4087206 |
Subsurface pumping unit incorporating heavy duty reversing valve and method of operating |
May. 2, 1978 |
| 4034648 |
Reciprocating cylinder assembly for self-propelled sprinkler systems |
Jul. 12, 1977 |
| 3960058 |
Device at hydraulic motor |
Jun. 1, 1976 |
| 3937241 |
Device for injecting an adjuvant into a liquid |
Feb. 10, 1976 |
|
|
|
