Air bladder type vent valve for use in an hydraulic oil tank of an enclosed hydraulic transmission system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Apr 20, 2006
app pub date -
Oct 20, 2004
filing date -
Oct 20, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Air bladder type vent valve is disclosed having an air bladder fastened to the air vent of the hydraulic oil tank of an enclosed hydraulic transmission system, for example, hydraulic jack and suspended inside the hydraulic oil tank, and a fastening device, which affixes the air bladder to the periphery of the air vent in an airtight status to keep the inside space of the air bladder in air communication with the atmosphere so that the inside pressure of the hydraulic oil tank is maintained in balance with the atmosphere during the operation of the enclosed hydraulic transmission system to pump hydraulic fluid in and out of the hydraulic oil tank.
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