Integral internal pressure relief valve
CA 1313169 C · Owner: Tecumseh Products Company · Inventors: Morse, Robert L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pressure relief valve for a hermetically sealed reciprocating piston compressor is disclosed in which a bore (50) in a compressor cylinder head (20) defines the valve body. Valve components are introduced into the bore through a valve opening on the bottom surface of the cylinder head. A discharge pressure chamber (34) in the cylinder head also has a discharge pressure opening on the bottom surface. A path is provided between the valve opening (86) and the discharge pressure opening (84), when the compressor is assembled, by means of a duct (78) in a valve plate interposed between the cylinder head (28) and a compressor crankcase (14). Also disclosed is a method for assembling the …
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 January 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 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.