Patent US3399969A successfully refreshed from Google Patents.
US3629550A
Expired / Lapsed
US
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Apparatus for the production of steam for humidifying air
Assignee: Individual
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Filing: 1970-03-16
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Granted: 1971-12-21
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Expires: 1990-03-16
Abstract
Abstract An apparatus for the production of steam for air humidifying purposes, in which water is vaporized in an electrode container by passing current through the water between electrodes. For water level control a further container is provided communicating with the electrode container, and to which a water refill conduit is connected provided with an electrically operated valve. An energy regulator is electrically connected to the valve and is adjustable in such a manner that the current supply to the valve and thus also the water level in the electrode container can be determined.
Inventors
- 👤 Bengt Henry Carlsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:01
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/025; F24H; F24H1/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7287
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
Apparatus for the production of steam, comprising a container, electrodes in he container for passing current through the water between the electrodes to produce steam, and water refill means for said container, said refill means comprising an electrically operated valve and an energy regulator electrically connected to the valve, said regulator comprising a switch in circuit with the valve, cycling means for cyclically opening and closing the switch to open and close the valve, and means for adjusting the cycling means such that a predetermined ratio between the period the switch is open and the period the switch is closed in each cycle can be established, whereby the water level in said container is a direct function of said predetermined ratio.
Claim 2
Dependent Claim
121 words
Apparatus for the production of steam, comprising a container, electrodes in he container for passing current through the water between the electrodes to produce steam, and water refill means for said container, said refill means comprising an electrically operated valve and an energy regulator electrically connected to the valve, said regulator comprising a switch in circuit with the valve, cycling means for cyclically opening and closing the switch to open and close the valve, and means for adjusting the cycling means such that a predetermined ratio between the period the switch is open and the period the switch is closed in each cycle can be established, whereby the water level in said container is a direct function of said predetermined ratio.
References Cited (Backward Citations)
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US2612592A
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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) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |