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US4031171A Expired / Lapsed US ⏱️ 0.0 years remaining

Ultrasonic air humidifying apparatus

Assignee: Mikuni Corp
•
Filing: 1975-12-23
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Granted: 1977-06-21
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Expires: 1995-12-23
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Abstract

Abstract An ultrasonic air humidifying apparatus comprising separably connected upper and lower cabinets; a power transformer, high frequency generator and motor-blower contained in the upper cabinet; a water vessel formed in the lower cabinet; a chassis board interposed between the upper cabinet and lower cabinet so as to define an airtight space above the surface of water in the water vessel; a mist conduit pipe fixed to the chassis board, inserted at the lower end into the water in the water vessel and projected at the upper end out of the top part of the upper cabinet; an ultrasonic vibrator assembly fitted to the lower end of the mist conduit pipe; and a water supply tank removably fitted in the upper cabinet so as to supply water into the water vessel, in order to obtain an ultrasonic air humidifying apparatus easy to clean and inspect and high in the performance.

Inventors

  • 👤 Makoto Asao
  • 👤 Susumu Ito
  • 👤 Hidetoshi Umehara

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 20:42
CPC Classifications
B; B05; B05B; B05B17/00; B05B17/04; B05B17/06; B05B17/0607; B05B17/0615; F; F24; F24F; F24F6/00; F24F6/02; F24F6/06; B05B12/00; B05B12/08; Y; Y02; Y02B; Y02B30/00; Y02B30/70; Y10; Y10S; Y10S261/00; Y10S261/48

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 170 words
An ultrasonic air humidifying apparatus comprising an upper cabinet, a lower cabinet separably connected with said upper cabinet, a water vessel formed in said lower cabinet, a chassis board interposed between said upper cabinet and lower cabinet, a high frequency generator fixed on said chassis board, a conduit pipe secured to said chassis board and extending upward in its upper part through said cabinet and extending in its lower part into said water vessel and having holes in a position just above a standard level of water received in said water vessel, an ultrasonic vibrator assembly fixed to the lower end of said conduit pipe spaced from the bottom of said water vessel and connected with said high frequency generator to produce mist from the water within said conduit pipe, a motor-blower fixed on said chassis board for introducing air into said conduit pipe through said holes and conveying the mist within said conduit pipe, and a water supply means for maintaining the water level in said water vessel constant.
Claim 2
Dependent Claim 170 words
An ultrasonic air humidifying apparatus comprising an upper cabinet, a lower cabinet separably connected with said upper cabinet, a water vessel formed in said lower cabinet, a chassis board interposed between said upper cabinet and lower cabinet, a high frequency generator fixed on said chassis board, a conduit pipe secured to said chassis board and extending upward in its upper part through said cabinet and extending in its lower part into said water vessel and having holes in a position just above a standard level of water received in said water vessel, an ultrasonic vibrator assembly fixed to the lower end of said conduit pipe spaced from the bottom of said water vessel and connected with said high frequency generator to produce mist from the water within said conduit pipe, a motor-blower fixed on said chassis board for introducing air into said conduit pipe through said holes and conveying the mist within said conduit pipe, and a water supply means for maintaining the water level in said water vessel constant.
Claim 3
Dependent Claim 20 words
An ultrasonic air humidifying apparatus according to claim 1, wherein said chassis board is formed integrally with said upper cabinet.
Claim 4
Dependent Claim 20 words
An ultrasonic air humidifying apparatus according to claim 1, wherein said chassis board is formed integrally with said lower cabinet.
Claim 5
Dependent Claim 31 words
An ultrasonic air humidifying apparatus according to claim 1, wherein said chassis board has a partition plate extending downward from said chassis board to divide said water vessel into two parts.
Claim 6
Dependent Claim 19 words
An ultrasonic air humidifying apparatus according to claim 1, wherein said conduit pipe is made of a plastic material.
Claim 7
Dependent Claim 40 words
An ultrasonic air humidifying apparatus according to claim 1, wherein said apparatus further comprises a spherical nozzle body placed on the upper end of said conduit pipe so as to be movable in all directions and having a passage therein.
Claim 8
Dependent Claim 45 words
An ultrasonic air humidifying apparatus according to claim 1, wherein said ultrasonic vibrator assembly comprises a cut-circular bracket to be fixed to the lower end of said conduit pipe, at least one casing secured to said bracket and an ultrasonic vibrator contained in said casing.
Claim 9
Dependent Claim 23 words
An ultrasonic air humidifying apparatus according to claim 1, wherein said apparatus further comprises a power transformer connected with said high frequency generator.
Claim 10
Dependent Claim 38 words
An ultrasonic air humidifying apparatus according to claim 1, wherein said water supply means is a water supply tank removably inserted within said upper cabinet and having a cap containing a valve mechanism separably set to its outlet.
Claim 11
Dependent Claim 52 words
An ultrasonic air humidifying apparatus according to claim 1, wherein said apparatus further comprises a water level drop detector which is fixed to said chassis board and can stop the operation of said high frequency generator when the water level in said water vessel has dropped to be below a predetermined value.
Claim 12
Dependent Claim 27 words
An ultrasonic air humidifying apparatus according to claim 1, wherein said lower cabinet has a plurality of air inlet openings to feed air into said upper cabinet.
Claim 13
Dependent Claim 29 words
An ultrasonic air humidifying apparatus according to claim 1, wherein said upper cabinet has on its rear wall an opening useful to inspect the interior of said upper cabinet.

References Cited (Backward Citations)

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US2046802A Cited
US3188007A Cited
US3387607A Cited
US3325976A Cited
US3469785A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-06-20 1980-12-20 1981-06-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-06-20 1984-12-20 1985-06-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-06-20 1988-12-20 1989-06-21 $7700.00 Window Closed / Lapsed

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