Instrument to measure leakage of steam from a steam trap
CA 1295851 C · Owner: Yamada, Yoshito · Inventors: Yumoto, Hideaki; Yonemura, Masao; Yamada, Yoshito
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to an instrument that detects a steam leakage and measures the rate thereof as to determine the operational status of a steam trap, and that is devised to prevent rippling of the water surface on the primary side of the bulkhead of the instrument installed between the steam supply side and the steam trap and to measure the quantity of steam that is leaking using an interrelation between the water level on the primary side of the bulkhead and the quantity of gas that goes through the passage defined in the bulkhead.
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 February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 2009.
- 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.