Low voltage central vacuum control handle with an air flow senso

Details Low voltage central vacuum control handle with an air flow senso Low voltage central vacuum control handle with an air flow senso

1992-02-11

1994-09-06

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15339, 15410, A47L 538

Patent

active

053435907

ABSTRACT:
A remote control system for actuating a central vacuum system from a remote location such as a vacuum cleaning hose handle that includes an air flow sensor. In the preferred embodiment, a small, lightweight vacuum sensor and a sensor amplifier that is connected to an LED bar graph meter and a comparator circuit are installed in the remote control hose handle. A low voltage power signal is transmitted through the vacuum cleaner hose and to the remote control handle for the purpose of providing electrical current to power the central vacuum system. The vacuum sensor will enable the consumer to instantly know if the vacuum is producing enough air flow to get proper cleanability. The sensor will also notify the consumer if the vacuum cleaner has a full bag or a problem at the vacuum unit, such as a clogged screen. The low voltage control signal travels from the remote control handle through the power supply wires running the length of the vacuum hose, which are preferably covered by a sleeve, such as of cloth or plastic, then into the vacuum cleaning motor. An electrical relay located near or inside the central vacuum cleaning system receives the control signal from the hose wiring and processes it to start or stop a central vacuum system main motor.

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