Patent US4301094A successfully refreshed from Google Patents.
US4301094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evaporation air humidifier
Assignee: Altura Leiden Holding BV
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Filing: 1979-08-22
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Granted: 1981-11-17
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Expires: 1999-08-22
Abstract
Abstract Evaporation air humidifier having a water supply container with a filter support plate carrying an evaporation filter, and having a removable auxiliary plate whereon electrical components are assembled including a motor and a pump driven thereby and extending into the water supply container, as well as a fan blade disposed on an upper side of the motor, and an installation housing, and further having a connecting hose interconnecting the pump and the evaporation filter and a dome with air inlet and outlet openings including a guide member carried by the auxiliary plate at the underside thereof, a guide secured to the water supply container and engageable with the guide member, a first coupling member for the connecting hose carried by the auxiliary plate, a second coupling member held by the filter support plate, the first coupling member being automatically couplable with the second coupling member when the guide member and the guide are mutually engaged.
Inventors
- 👤 Heinz G. Baus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:35
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/04; F24F2221/00; F24F2221/12
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
158 words
Evaporation air humidifier having a water supply container with a filter support plate carrying an evaporation filter, and having a removable auxiliary plate whereon electrical components are assembled including a motor and a pump driven thereby and extending into the water supply container, as well as a fan blade disposed on an upper side of the motor, and an installation housing, and further having a connecting hose interconnecting the pump and the evaporation filter and a dome with air inlet and outlet openings, the air humidifier comprising a guide member carried by the auxiliary plate at the underside thereof, a guide secured to the water supply container and engageable with said guide member, a first coupling member for the connecting hose carried by the auxiliary plate, a second coupling member held by the filter support plate, said first coupling member being automatically couplable with said second coupling member when said guide member and said guide are mutually engaged.
Claim 2
Dependent Claim
158 words
Evaporation air humidifier having a water supply container with a filter support plate carrying an evaporation filter, and having a removable auxiliary plate whereon electrical components are assembled including a motor and a pump driven thereby and extending into the water supply container, as well as a fan blade disposed on an upper side of the motor, and an installation housing, and further having a connecting hose interconnecting the pump and the evaporation filter and a dome with air inlet and outlet openings, the air humidifier comprising a guide member carried by the auxiliary plate at the underside thereof, a guide secured to the water supply container and engageable with said guide member, a first coupling member for the connecting hose carried by the auxiliary plate, a second coupling member held by the filter support plate, said first coupling member being automatically couplable with said second coupling member when said guide member and said guide are mutually engaged.
Claim 3
Dependent Claim
27 words
Evaporation air humidifier according to claim 1 including stop means for limiting advancement of said guide and said guide member relative to one another when mutually engaged.
Claim 4
Dependent Claim
24 words
Evaporation air humidifier according to claim 1 wherein said guide comprises a guide bushing, and said guide member is insertable into said guide bushing.
Claim 5
Dependent Claim
38 words
Evaporation air humidifier according to claim 3 wherein said guide member is formed with a shoulder seatable on a free edge of said guide bushing and serving as means for stopping advancement of said guide into said bushing.
Claim 6
Dependent Claim
21 words
Evaporation air humidifier according to claim 3 wherein said guide bushing is secured to the bottom of the water supply container.
Claim 7
Dependent Claim
51 words
Evaporation air humidifier according to claim 5 wherein said guide member is shorter than the length of said guide bushing extending upwardly from said bottom of the water supply container, and the underside of the auxiliary plate comprises stop means for limiting advancement of said guide member in said guide bushing.
Claim 8
Dependent Claim
19 words
Evaporation air humidifier according to claim 3 wherein said guide member and said guide bushing are in friction-locking engagement.
Claim 9
Dependent Claim
42 words
Evaporation air humidifier according to claim 1 wherein said guide member and said guide are mutually connected by a snap-in connection comprising means defining a groove in one thereof and a projection formed on the other thereof and snappable into said groove.
Claim 10
Dependent Claim
21 words
Evaporation air humidifier according to claim 1 including magnetic means for connecting said guide member and said guide to one another.
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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) | 1984-11-16 | 1985-05-18 | 1985-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-16 | 1989-05-18 | 1989-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-16 | 1993-05-18 | 1993-11-17 | $7700.00 | Window Closed / Lapsed |