The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 1994
Filed:
Feb. 11, 1992
Kurtis R Radabaugh, Ponca City, OK (US);
Lindsay Manufacturing, Inc., Ponca City, OK (US);
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.