The following operators can be used to better focus your queries.
( ) , AND, OR, NOT, W/#
? single char wildcard, not at start
* multi char wildcard, not at start
(Cat? OR feline) AND NOT dog?
Cat? W/5 behavior
(Cat? OR feline) AND traits
Cat AND charact*
This guide provides a more detailed description of the syntax that is supported along with examples.
This search box also supports the look-up of an IP.com Digital Signature (also referred to as Fingerprint); enter the 72-, 48-, or 32-character code to retrieve details of the associated file or submission.
Concept Search - What can I type?
For a concept search, you can enter phrases, sentences, or full paragraphs in English. For example, copy and paste the abstract of a patent application or paragraphs from an article.
Concept search eliminates the need for complex Boolean syntax to inform retrieval. Our Semantic Gist engine uses advanced cognitive semantic analysis to extract the meaning of data. This reduces the chances of missing valuable information, that may result from traditional keyword searching.
There is described an arrangement of air inlets and outlets in opposing walls of a fan-cooled electronics housing, which arrangement provides increased cooling effectiveness with decreased noise.
English (United States)
This text was extracted from a PDF file.
At least one non-text object (such as an image or picture) has been suppressed.
100% of the total text.
Page 1 of 2
Low Noise Air Cooling
There is described an arrangement of air inlets and outlets in opposing walls
of a fan-cooled electronics housing, which arrangement provides increased
cooling effectiveness with decreased noise.
In Fig. 1, a side cut-away view, a housing 1 having two sections 2 and 3 is
shown. The larger section 2 contains the electronics which provide the main
function of the device housed. Fan 4 is located in plate 5 which is connected to
housing 1 by seals 6. Sections 2 and 3 are separated by the plate 5.
Air is taken in through grille 7, traverses the electronics in section 2, and is
discharged into section 3. Air is discharged from section 3 of housing 1 through
grille 8. The holes comprising grille 8 are misaligned with fan 4 to provide an
acoustic baffle 9. Air passes through the housing, as indicated by stream lines 10.
The total air flow through housing 1 is improved as a result of eliminating the
possibility of recirculation. The noise level is significantly reduced as a result of
Page 2 of 2
[This page contains 2 pictures or other non-text objects]