Device for regulating fluid flow rate, evacuation device for a sphygmomanometer and sphygmomanometer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 12, 2002
Grant Date -
N/A
app pub date -
Jul 28, 1999
filing date -
Feb 7, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There are provided a casing (21), a valve element (23) that effects opening/closure of an evacuation port (22), and means for driving (24) that effect opening/closure drive of this valve element. Fine irregularities (23b) are formed on valve element (23). The means for driving comprise: a cylindrical yoke (25); a core (26) provided with a cylindrical part (26a) arranged within the yoke and a flange (26b) that is abutted by one end of the yoke; a magnet (27) arranged within the yoke and that forms magnetic flux in the radial direction; a movable element (28) arranged through the cylindrical part of the core with the valve element mounted at one end; a coil (29) arranged in the gap between the magnet and yoke and fixed at one end of the movable element; and holding members (30) that hold both ends of the movable element and that hold the movable element and coil in non-contacting condition with respect to the core and yoke.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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