Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 418/221
Name: Rotary expansible chamber devices > Moving abutment and vane
Description: Apparatus in which there is provided a displaceable abutment and a displaceable vane, each of which moves incident to the expansion and contraction of the working chamber.


Patents under this class:

Patent Number Title Of Patent Date Issued
6439868 Rotary engine Aug. 27, 2002
5470215 Wear resistant vane-type fluid power converter Nov. 28, 1995
4915600 Rotary apparatus with rotating mobile and stationary blocking members Apr. 10, 1990
4817567 Rotary piston engine Apr. 4, 1989
4599058 Vane slots for a fluid power converter Jul. 8, 1986
4530174 Drive for elevating mechanism Jul. 23, 1985
4507067 Rotary device with elliptical rotor in elliptical chamber Mar. 26, 1985
4055156 Rotary engine Oct. 25, 1977
4012182 Machines for energy conversion Mar. 15, 1977
4008019 Rotary pump with pivoted flap engaging a bladed rotor Feb. 15, 1977
3976407 Fluid power converter side seal Aug. 24, 1976
3957404 Vanes for fluid power converter May. 18, 1976



 
 
  Recently Added Patents
Voicemail system with calling party identification
Re-transmitter and digital broadcast receiving system
Control device
Back cover for electronic device
Phase comparator and semiconductor device with phase comparator
Connector of instant set-up foldable tent frame
Backup electrical power system for solid-state aircraft power distribution systems
  Randomly Featured Patents
Method for controlling augmentor liner coolant flow pressure in a mixed flow, variable cycle gas turbine engine
Pipe plug
Phenothiazine in prill form and method for making the same
Filament breakage detection and correction
Folded hydrophone array for narrow marine vehicles
Electrical connector
Reactor coolant pump auxiliary seal for reactor coolant system vacuum degasification
Fluorovinyl derivative compound, liquid crystal composition, and liquid crystal display device
Measuring device
Monoamine or polyamine reacted with polyepoxide/monoamine or polyamine precursor, epoxy resin and epoxide thinner