Pressure relief valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 25, 1989
Grant Date -
N/A
app pub date -
May 28, 1987
filing date -
May 28, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An inhalation/exhalation valve for use in conjunction with a medical respiration apparatus to maintain an adjustable positive end expiration pressure through incorporation of novel valving elements including a novel, adjustable spring for establishing and maintaining the threshhold pressure of exhalation and a novel flow control valve disk structure which utilizes the dynamic pressure of exhalation flow to assist in providing control over and fine adjustability of the valve disk motion and which further permits continuous supply flow during both the inhalation and exhalation portions of the patient's breathing cycle.
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