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
Method and apparatus for managing network traffic
Efficient forward ranking in a search engine
Authenticating messages sent between a vehicle and a central facility
Account and customer creation in an on-line banking model
Vehicle and method for controlling vehicle
Light emitting device
  Randomly Featured Patents
Jet-driven helmholtz fluid oscillator
Air separation method and apparatus for producing nitrogen
Methods and apparatus for adaptive link partner transmitter equalization
Torque converter clutch control system and post oxygen sensor performance diagnostic system
Column select circuit of ferroelectric memory
Water purifier
Substrate with printed pattern
Electric air compressor
Web splicing preparation method and apparatus
Cleaning and/or treatment device