Dual temperature fire damper releasing system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 26, 2001
Grant Date -
N/A
app pub date -
Feb 4, 2000
filing date -
Feb 4, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mechanical dual temperature damper closing mechanism having a primary link that separates when the ambient temperature reaches approximately 74.degree. F., closing the damper. The new mechanism provides a reliable means for reopening the damper to allow airflow for the control of smoke spread. A secondary link is engaged within the new mechanism to reopen the damper. When the ambient temperature reaches 180.degree. F. the secondary link separates, closes the damper such that it cannot be reopened.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
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