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MarketScreener Homepage  >  Equities  >  Tokyo  >  Panasonic Corporation    6752   JP3866800000

PANASONIC CORPORATION

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Patent Issued for Adapter Structure For Ventilating Fan (USPTO 10,364,824): Panasonic Corporation

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08/14/2019 | 05:54pm EDT

2019 AUG 14 (NewsRx) -- By a News Reporter-Staff News Editor at Daily Asia Business -- From Alexandria, Virginia, NewsRx journalists report that a patent by the inventors Wu, Qiming (Guangdong, CN); Liang, Qiuqian (Guangdong, CN); Araki, Naoya (Aichi, JP); Suzuki, Masato (Aichi, JP), filed on October 20, 2015, was published online on August 12, 2019.

The patent’s assignee for patent number 10,364,824 is Panasonic Corporation (Osaka, Japan).

News editors obtained the following quote from the background information supplied by the inventors: “Field of the Invention

“The present disclosure relates to a ventilating fan, and particularly, to an adapter structure for a ventilating fan.

“Description of the Related Art

“FIG. 1 is a schematic diagram showing a structure of a ventilating fan in the prior art, which, for example, is described in Chinese patent ZL201010130174.1. In order to reduce a height difference between an air outlet (not shown) of a casing (not shown) and an air inlet 403 of an adapter 400 in a ventilating fan (not shown) so that air blown out from the air outlet of the casing is smoothly guided through the air inlet 403 of the adapter 400, the adapter 400 is provided with an air guide structure 210 mounted therein. The air guide structure 210 has an air inlet 215 of the same shape as the air outlet of the casing so as to form a direct-through configuration with the casing. A connection between the adapter 400 and the air guide structure 210 is achieved through engagement between openings and stop catches. Specifically, a plurality of openings 401 are formed in the peripheral wall of the adapter 400, and a plurality of stop catches 214 are provided on the peripheral wall of the air outlet 212 of the air guide structure 210. When the air guide structure 210 is inserted into the adapter 400, the distal ends of the stop catches 214 snapped in the openings 401 in the adapter 400. With elasticity of the stop catches 214, the air guide structure 210 is fixed within the adapter 400.

“With the adapter 400 of the ventilating fan mentioned in this background, the stop catches 214 of the air guide structure 210 need to be snap-fitted in the openings 401. However, since there are fitting gaps left between the stop catches 214 and the openings 401, an airflow generated by a fan (not shown) will flow to the air outlet 212 of the air guide structure 210 and may leak out from the fitting gaps between the stop catches 214 and the openings 401 when the ventilating fan is operated, resulting in a reduced amount of airflow and an increased noise due to sharply diffused airflow.”

As a supplement to the background information on this patent, NewsRx correspondents also obtained the inventors’ summary information for this patent: “An object of the present invention is to provide an adapter structure for a ventilating fan for preventing reduction in airflow and reducing noise.

“In order to achieve the above object, the present disclosure provide an adapter structure for a ventilating fan, comprising: an adapter having an air inlet; an air guide structure having an air inlet, and a mounting structure for mounting the air guide structure within the adapter, wherein the mounting structure comprises a first portion provided at an outer side of a flange of the air inlet of the air guide structure and a second portion provided at an inner side of the adapter so that the mounting structure is positioned between the air inlet of the air guide structure and an air inlet of the adapter.

“With the adapter structure for a ventilating fan according to the present invention, the airflow amount is prevented from being reduced, and noise is reduced.”

The claims supplied by the inventors are:

“What is claimed is:

“1. A ventilating fan, comprising: a casing having an air outlet; and an adapter structure adapted to be mounted to the air outlet of the casing of the ventilating fan, the adapter structure comprising: an adapter having an air inlet and an air outlet; an air guide structure having an air inlet and an air outlet, a circumferential wall of the air guide structure being configured to fluidly isolate an airflow path between the air inlet and the air outlet of the air guide structure from a space around and outside of the circumferential wall such that the air introduced from the air inlet of the air guide structure can only flow out from the air outlet of the air guide structure, and, the air inlet of the air guide structure having a same shape as that of the air outlet of the casing, and a mounting structure for mounting the air guide structure within the adapter, wherein the mounting structure comprises a first portion provided at an outer side of a flange of the air inlet of the air guide structure and a second portion provided on an inner wall of the adapter, wherein the first portion of the mounting structure and the second portion of the mounting structure are fixedly connected with each other such that the air guide structure is mounted and fixed to the adapter and the mounting structure is positioned between the air inlet of the air guide structure and the air inlet of the adapter so that no airflow will leak out from the mounting structure, and the mounting structure is located on an outer side of an airflow path from the air outlet of the casing through the air guide structure to the air outlet of the adapter such that the airflow will not collide against the mounting structure.

“2. The ventilating fan according to claim 1, wherein the first portion of the mounting structure is an elastic clamping jaw provided at an outer side of the flange of the air inlet of the air guide structure, the second portion of the mounting structure is a hook portion provided on the inner wall of the adapter and having an opening, and the clamping jaw is provided with protrusions on a side thereof adjacent to the inner wall of the adapter to be snapped into the opening.

“3. The ventilating fan according to claim 1, wherein the air inlet of the adapter has a shape in the form of a rounded square, two rounded angles at one side of four sides of the rounded square have a curvature different from that of two rounded angles at another side of the four sides of the rounded square opposite to and parallel to the one side, and the flange of the air inlet of the air guide structure has a shape corresponding to the shape of the air inlet of the adapter.

“4. The ventilating fan according to claim 3, wherein the curvature of the two rounded angles at the one side of the four sides of the rounded square is smaller than that of the two rounded angles at the another side of the four sides of the rounded square opposite to and parallel to the one side.

“5. The ventilating fan according to claim 1, wherein the air inlet of the adapter has a shape in the form of a rounded square, of which four rounded angles have curvatures different from one another, and the flange of the air inlet of the air guide structure has a shape corresponding to the shape of the air inlet of the adapter.

“6. The ventilating fan according to claim 1, wherein ribs are integrally provided on an outer wall of the air guide structure and extended to contact the inner wall of the adapter.

“7. The ventilating fan according to claim 1, wherein the first portion of the mounting structure and the second portion of the mounting structure are fixedly connected with each other by way of snapping engagement.”

For additional information on this patent, see: Wu, Qiming; Liang, Qiuqian; Araki, Naoya; Suzuki, Masato. Adapter Structure For Ventilating Fan. U.S. Patent Number 10,364,824, filed October 20, 2015, and published online on August 12, 2019. Patent URL: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=10,364,824.PN.&OS=PN/10,364,824RS=PN/10,364,824

(Our reports deliver fact-based news of research and discoveries from around the world.)

Copyright © 2019 NewsRx LLC, Daily Asia Business, source Geographic Newsletters

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Financials (JPY)
Sales 2020 7 958 B
EBIT 2020 307 B
Net income 2020 199 B
Debt 2020 313 B
Yield 2020 3,68%
P/E ratio 2020 9,67x
P/E ratio 2021 8,91x
EV / Sales2020 0,28x
EV / Sales2021 0,25x
Capitalization 1 907 B
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Number of Analysts 19
Average target price 1 061,76  JPY
Last Close Price 817,70  JPY
Spread / Highest target 71,2%
Spread / Average Target 29,8%
Spread / Lowest Target 3,95%
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Kazuhiro Tsuga President, CEO & Representative Director
Shusaku Nagae Chairman
Hirokazu Umeda Director & Chief Financial Officer
Yoshiyuki Miyabe Chief Technology Officer
Makoto Ishii Executive Officer & Head-Information Systems
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