×

Central vacuum cleaner multiple vacuum source control

  • US 20070079466A1
  • Filed: 10/06/2006
  • Published: 04/12/2007
  • Est. Priority Date: 10/07/2005
  • Status: Active Grant
First Claim
Patent Images

1. A central vacuum cleaning system comprising:

  • a) a plurality of vacuum sources, b) a control circuit, and c) a plurality of switches, each switch associated with a respective one of the vacuum sources, wherein the control circuit is adapted to control the switches, and each switch is adapted to apply power to its associated vacuum source in accordance with control from the control circuit.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×