Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/55
Name: Fluid handling > Speed responsive valve control > Centrifugal mass type (exclusive of liquid) > Periodically actuated valve
Description: Control systems wherein the valves or valve are periodically and continually opened and closed, the governor being effective to vary the period and/or the extent of opening.










Patents under this class:

Patent Number Title Of Patent Date Issued
8271141 Control valve system with cycle monitoring, diagnostics and degradation prediction Sep. 18, 2012
7503203 Rotary valve and analytical chromatographic system using the same Mar. 17, 2009
6491105 Cross-over housing for gas lift valve Dec. 10, 2002
6154144 Auto shutoff overflow controller Nov. 28, 2000
5752483 Governor arrangement May. 19, 1998











 
 
  Recently Added Patents
Adhesive structure of optical device, adhesion method, and optical pickup device
Method and apparatus for controlling the use of data stored on a media sample
Under bump passive components in wafer level packaging
Control of an electric machine
Plants and seeds of corn variety CV092363
Fuel cell module, manufacturing method thereof and unit containing several of the latter
3D solid-state arrangement for solid state memory
  Randomly Featured Patents
Inhalation-based control of medical gas
Ferric organic compounds, uses thereof and methods of making same
Split type deflection coil separator for avoiding axial deviation and eccentricity
Semiconductor device, semiconductor system having the same, and method for operating the semiconductor device
Thermal printer
High throughput microscopy
Water-conserving toilet having independently flushable main and urinal bowls
Thin film forming equipment and method
Label holder
Shoe upper