Resources Contact Us Home
Vacuum regulator and intermittent flow device

Image Number 2 for United States Patent #7255127.

A vacuum regulator and intermittent flow device are disclosed. Vacuum regulation is achieved via spring forces acting on a movable piston-tube assembly disposed within a regulator body having a cylindrical hollow interior. Vacuum is supplied to an input port and regulated vacuum is provided at an output port. Vacuum at the output is cut off when fluid flow is sufficiently restricted and the piston-tube assembly is urged in contact against a fluid flow aperture within the regulator body thereby blocking fluid flow. Multiple modes of operation are provided in the regulator by way of a three position mode knob that enables regulated vacuum, unregulated vacuum and an "off" mode of operation. The disclosed intermittent vacuum flow device is attached to the output of the vacuum regulator and enables timed cyclical on and off operation of vacuum regulation.

  Recently Added Patents
Method and apparatus for wireless communication in a mesh network with central control of communication relationships
Removable case
Method of transmitting and receiving a paging message in a mobile communication system
Switched capacitor amplifier
Method for measuring and improving organization effectiveness
Image stabilization
Semiconductor device having germanium active layer with underlying parasitic leakage barrier layer
  Randomly Featured Patents
Base for bathing enclosure
Apparatus for controlling the steering mechanism of a mining machine
Non-steroidal brassinosteroid mimetic
Pressure actuated switching device and transfer method for making same
Non-invasive heart monitoring apparatus and method
Light-emitting panel and a method for making
Method for preparing samples for application to a thin layer chromatographic sheet
PLL stabilized frequency modulator with extended low frequency range
Ultrasound method for assessing ejection fraction using ultrasound contrast agents
Eyeglasses and method of manufacture thereof