Remote shut-off valve
US4957273A · kind A · utility
17Cited by
6References
32Claims
0Family size
Inventor
Key dates
| Filing date | Apr 25, 1988 |
| Grant date | Sep 18, 1990 |
| Priority date | — |
| Expiry date | Apr 25, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/02
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A system and method for actuating a device from a remote location includes a signal generator for establishing a signal indicative of a desire to actuate the device, detector means for sensing the signal indicative of a desire to actuate the device and for actuating a switch means for actuating the device. A feedback signal is provided indicative of actuation of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.