Resources Contact Us Home
Jet propulsion system for spa or jetted bath using control of air draw to venturi jets with a three-way air control valve

Image Number 5 for United States Patent #6968581.

A air selection control valve and assembly capable of controlling the flow of air into a water conduit to accelerate, decelerate, or pulse the rate of water flowing in combination with a hot tub spa assembly is described. The control of the air inlet is controlled to control the pulsing of water. An innovative multi-way control valve system can be controlled by as few as a single solenoid for pulsing some or all of the jets of a standard hot tub spa.

  Recently Added Patents
Image-forming device
Apparatus and method for controlling engine of vehicle using height information
System and method of provisioning confidential information via a mobile device
Application identity design
Technique for providing secure network access
Process cartridge and developing cartridge
Phone and tablet stand
  Randomly Featured Patents
Interlocking double bottle
Multiple function valve assembly
Device for transmitting signals by radio and cable between a central control and recording system and data acquisition devices
Composite structure with NbTiAl and high Hf alloy matrix and niobium base metal reinforcement
Environmentally stable hybrid fabric system for exterior protection of an aircraft
Probing apparatus with guarded signal traces
Thermal toner image fixing device which uses fuzzy logic
Apparatus for removably supporting a plurality of hot plug-connected hard disk drives
Wire harness incorporated in automotive vehicle doors
Lead-free and cyanide-free plating finish for semiconductor lead frames