Automatically operating valve for regulating water flow and faucet provided with said valve
CA 1322192 C · Owner: Arita, Kinya · Inventors: Arita, Kinya; Tsukada, Ryoichi; Tsutsui, Osamu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatically operating valve for regulating water flow especitially a, mixing valve for automatically mixing hot water and cold water to obtain a mixedwater of a desired temperature is disclosed. This automatically operating valve for regulating water flow or the mixing valve is characterized by employing piezoelectric actuators for operating valve body means thereof. Due to such a construction, the valve can not only fully close or open but also carries out the fine flow amount control by regulating the opening rate or angle of the valve body means. Especially in case the automatically operating valve is the mixing valve, the mixing ratio of hot water and cold water can be accurately …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 14, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 14, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.