[특허]Air control system for air bed

[미국특허] Air control system for air bed 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47C-027/08
출원번호	US-0304172 (1989-01-31)
발명자 / 주소	Walker Robert A. (8939 Vinewood Lane North Maple Grove MN 55369)
인용정보	피인용 횟수 : 104 인용 특허 : 22

초록 ▼

An air supply and control apparatus has an air pump to supply air under pressure to air mattresses of an air bed. A hand control having a pair of valves functions to control the operation of the air pump to supply air to the air mattresses and vent air from the air mattresses. A second embodiment of the air supply and control apparatus has a motor driven impeller for supplying air under pressure to air mattresses. Solenoids having two coils operate valves to allow air to flow to the air mattress or vent air from the air mattress to adjust the firmness of the mattress. A normally closed switch is opened when the solenoid opens the valve. The switch turns off one coil of the solenoid. The other coil remains energized to hold the valve open. Hand controls having switches are electrically coupled to the motor and solenoids to control the operation thereof. A third embodiment of the air control apparatus has air pump and valve assembly operable with a hand control to selectively direct air under pressure to an air mattress and vent air from the air mattress. The air mattress and air control apparatus is incorporated into a sofa bed.

대표청구항 ▼

An apparatus for selectively supplying air under pressure to first and second air mattresses and selectively regulating the pressure of the air mattresses comprising: casing means having a first internal chamber, a second internal chamber, first opening allowing ambient air to flow into the first chamber, a second opening allowing air to flow from the first chamber to the second chamber, first tubular connector means open to the second chamber, second tubular connector means open to the second chamber, first hose means connecting the first air mattress to the first tubular connector means for carrying air to and from the first air mattress, second hose means connecting the second air mattress to the second connector means for carrying air to and from the second air mattress, a rotatable impeller located in said first chamber operable to move air from the first chamber through the second opening into the second chamber, an electric motor operable to rotate the impeller means, first valve means located in the second chamber operable to close the opening in the first tubular connector means, first solenoid means connected to the first valve means operable to open said first valve means, second valve means operable to open said first valve means, second valve means located in said second chamber operable to close the opening to the second tubular connector means, second solenoid means connected to the said valve means operable to open said second valve means, said first and second solenoid means each having a movable plunger and first and second coils for generating a common magnetic field to move said plunger, a normally closed first switch connected to the first coil, rectifier means connected to first switch and second coil to provide DC power to the first and second coils, second switch means for connecting the rectifier means to the electric motor, first switch, and second coil to energize said first and second coils thereby move the plunger and valve means connected thereto from a closed position to an open position and to energize said electric motor whereby the impeller means moves air into the air mattress connected to the tubular connector associated with the open valve means, said first switch being opened by said plunger when the valve means is in the open position to de-energize the first coil, said plunger and valve means connected thereto being held in the open position by the continued energization of the second coil, said second switch being movable to position for only connecting the rectifier means to the first switch and second coil to energize said first and second coils and the valve means connected to the plunger from a closed position to an open position to allow air to vent from the mattress.

이 특허에 인용된 특허 (22) 인용/피인용 타임라인 분석

Swenson Gerald R. (Coon Rapids MN) Swenson Emil S. (Coon Rapids MN) Young Gary A. (Burnsville MN), Air bed with firmness control.
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Walker Robert A. (108A Commerce Dr. Greer SC 29651), Air mattress with filler check valve and cap therefor.
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Walker Robert A. (Minneapolis MN), Air mattress with pressure relief valve.
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Senoue Masaharu (Kadoma JPX) Naruse Haruhiko (Kadoma JPX), Bedsore preventing apparatus.
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Toyoda Akira (Tokyo JPX) Chiba Yasutsune (Tokyo JPX), Electromagnetic pump.
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Idogaki Takaharu (Okazaki JPX) Kawai Hisasi (Toyohashi JPX) Hattori Kyo (Susono JPX) Sakurai Kazuhiro (Gotenba JPX), Electromagnetic rotary driving device.
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Eheim ; Franz, Fuel injection pump for internal combustion engines.
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Robbins William E. (4850 Sutton Ave. Melbourne FL 32901) Richardson Robert H. (8361 Sylvan Dr. Melbourne FL 32901), Inflatable pillow support.
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Bentley John P. (100 Dixie Plaza ; 1250 S. Service Rd. Mississauga ; Ontario CAX), Inflatable seat cushion and body support assembly.
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Corbett Aubrey E. (Kenilworth GB2) Ho Siu L. (Coventry GB2) Clark Ronald J. (Sidmouth GB2), Inflatable supports.
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Nishio Shigeru (Kariya JPX) Hashimoto Nobuyuki (Toyota JPX), Lumbar support air valve assembly.
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Mogaki Tadahisa (Tokyo JPX) Matsumura Mitsuma (Tokyo JPX) Nozawa Nobuyuki (Tokyo JPX) Kikuchi Katsuji (Tokyo JPX) Nakao Haruki (Tokyo JPX) Mikiya Toshio (Tokyo JPX), Massage arrangement of the pneumatic type.
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Sebo Milan J. (Elyria OH), Modular dash control valve manifold.
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Young Gary A. (LaMoure ND) Swenson Emil S. (Coon Rapids MN), Pneumatic bed.
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Young Gary A. (LaMoure ND) Swenson Emil S. (Coon Rapids MN), Pneumatic bed assembly.
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Gezari Walter A. (Killingworth CT), Reciprocating infusion pump and directional adapter set for use therewith.
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Hilpert Bruno (Diessenhofen CHX) Hunziker Bruno (Schaffhausen CHX), Remote control actuating device for a valve.
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Garofalo ; Frank S., System for attaching pillow to X-ray table.
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Adams Norman R. (Angola IN) Gifford Charles A. (Osseo MI), Two-way selector valve for a vehicle seat inflation device.
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Hashimoto Nobuyuki (Toyota JPX), Valve assembly for air bag control.
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Harrison Choi CN; Samuel F. Lamke, Air bed with elevated and self-expanding support structure.
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Shafer David C. (Menlo Park CA) Duval Eugene P. (Menlo Park CA), Air control system for an air bed.
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[미국특허] Air control system for air bed 원문보기

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[미국특허] Air control system for air bed 원문보기

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