Variable flow pump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 13, 2001
Grant Date -
N/A
app pub date -
Nov 7, 1997
filing date -
Nov 8, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pump having an inlet port, an outlet port and a pumping mechanism for pumping fluid from the inlet port to the outlet port. The pumping mechanism includes a carrier (2) that is provide with a plurality of pumping of pumping elements. The pumping mechanism also includes a flexible cam ring (6) surrounding the carrier and having an internal cam surface that is followed by the pumping elements. The cam ring is flexible so that the discharge flow rate of the pump can be varied by varying the shape of the cam ring. Also, a control device is provided for controlling the shape of the cam ring. The control device and one or more cam orifices for controlling fluid pressure.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully