Timothy M Campbell

US Patent:

20150376875, Dec 31, 2015

Filed:

Sep 10, 2015

Appl. No.:

14/850421

Inventors:

- Seattle WA, US
Timothy B. Campbell - Beaverton OR, US
Eric C. Larson - Seattle WA, US
Gabriel A. Cohn - Sammamish WA, US

International Classification:

E03B 7/07
F15B 20/00
F16K 17/40
F16K 31/12
F16K 31/02

Abstract:

Examples of automatic valve shutoff systems are described which may include an actuation device including an actuator and a valve attachment portion. The valve attachment portion may be configured for attachment with an existing valve the in a fluid or compressible gas supply line. The system may further include a controller coupled to the actuation device, wherein the controller is configured to initiate a valve shutoff process in response to a wireless signal. Wake-up circuitry may be coupled to the controller and configured to monitor the supply line for vibrations and activate the controller in response to the vibrations.