Resources Contact Us Home
Browse by Category: Main > Industrial
Class Information
Number: 91/323
Name: Motors: expansible chamber type > Cyclically operable > Relatively movable distributors for opposed working chambers
Description: Apparatus in which the motor comprises opposed working chambers and separate distributors for the working chambers, said distributors being free of one another to cyclically relatively move during operation.

Sub-classes under this class:

Class Number Class Name Patents
91/324 Distributor moves about an axis 1

Patents under this class:

Patent Number Title Of Patent Date Issued
8151900 Percussion equipment driven by a pressurized incompressible fluid Apr. 10, 2012
7540230 Three-way poppet valve for work exchanger Jun. 2, 2009
6790010 Switching system for a reciprocating piston pump Sep. 14, 2004
6571680 Pneumatic shift reciprocating pneumatic motor Jun. 3, 2003
5944045 Solvent circuit Aug. 31, 1999
5024142 Cyclically operating fluid drive motor with magnetically controlled diaphragm valves Jun. 18, 1991
4788823 Valve mechanism for controlling a reciprocating engine power stroke Dec. 6, 1988
4702147 Engine with pneumatic valve actuation Oct. 27, 1987
4688468 Method of and apparatus for controlling pulse hydraulic generators Aug. 25, 1987
4651925 Rotary spray device Mar. 24, 1987
4439114 Pumping system Mar. 27, 1984
4386888 Double diaphragm operated reversing valve pump Jun. 7, 1983
4281584 Electro-hydraulic regulating drive and a fast-switching magnetic valve for use therein Aug. 4, 1981
4002103 Reciprocating apparatus with a controllable dwell time at each end of the stroke Jan. 11, 1977
3943823 Control system for double acting air motor Mar. 16, 1976

  Recently Added Patents
System, method and program recording medium for supply capacity estimation
Dynamic allocation of access channels based on access channel occupancy in a cellular wireless communication system
System and method of improving audio signals for the hearing impaired
Tools and methods for yield-aware semiconductor manufacturing process target generation
Method of targeting hydrophobic drugs to vascular lesions
Method and apparatus for distributing promotional materials
Measurement protocol for a medical technology apparatus
  Randomly Featured Patents
Method of producing aromatic carboxylic acids by oxidizing alkyl aromatic compounds or partially oxidized intermediates thereof with oxygen-enriched gas
Stabilized atypical antipsychotic formulation
Projecting optical apparatus having no trapezoidal distortion
High frequency transistor with reduced parasitic inductance
Process and device for treating textile substrates with supercritical fluid
Method and composition for enzymatic treatment of fiber for papermaking, and paper products made therewith
High temperature seal assembly for optical sensor
Hybrid camera with identification matching of film and electronic images
Imidazole derivatives, process for their preparation and their use
Organ preservative solution