NEGATIVE PRESSURE PREVENTIVE DEVICE IN REFRIGERATOR
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Oct 25, 2012
app pub date -
Jun 17, 2011
filing date -
Apr 21, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A negative pressure preventive device in a refrigerator is provided to be mounted to a machinery room on a top side of the refrigerator, in which an opening and closing damper is provided over an evaporator for controlling external air such that warm external air is led through an evaporator to reduce a temperature difference while the warm external air passes through the evaporator for minimizing a temperature change in the refrigerator, the opening and closing damper has a control lever operative by gravity to make quick and accurate opening, closing, and air introduction to the refrigerator for compensating a pressure difference, a filter mounted to the opening and closing damper at an air introduction portion to be detachable with a packing cap for easy removal of noxious insects, microbes, and dust, and easy washing and replacement, and a packing member provided to the opening and closing damper for improving a sealing function to prevent cold air from leaking, quick compensation of the pressure difference, and eliminating difficulty in opening the door caused by the negative pressure.
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