Sliding vane type rotary compressor
CA 1183504 A · Owner: Matsushita Electric Industrial Co. Ltd. · Inventors: Yamauchi, Shinya; Maruyama, Teruo; Morikawa, Yoshiyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sliding vane type rotary compressor having a cylinder accommodating a vane slidable in a rotor and de-, fining a vane chamber complies with 0.025 < .theta.s?/Vo < 0.080 where a is a value given by ? = , .theta. is the angle subtended at the center of rotation of the rotor by an end of the vane closest to the cylinder wall and by the point on the top at which the distance between the wall and the rotor peripheral surface is smallest; .theta.s is the rotation angle .theta. at the instant of completion of the suction stroke; Vo is the volume of the vane chamber when the rotation angle .theta. is .theta.s; and a(.theta.) is the effective area of a suction passage between an evaporator and 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 March 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 5, 2002.
- 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.