US5133044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable humidifier
Assignee: EMD Millipore Corp
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Filing: 1991-11-15
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Granted: 1992-07-21
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Expires: 2011-11-15
Abstract
Abstract A humidifier including a base defining a boiler cavity; a liquid supply supported on the base and having a discharge opening communicating with the boiler cavity and adapted to maintain a given level of liquid therein; and an evaporation unit removably mounted on the base and adapted to induce evaporation of liquid contained thereby, and a vapor passage having a receiving end communicating with said cavity so as to receive vapor therefrom and a discharge end for discharging the vapor received from cavity. Also icluded is an electrical supply for supplying electrical energy to the heater; a switch mounted on the evaporation unit and adapted in one condition for deactivating the electrical supply and in another condition for activating the electrical supply and an actuator for producing the one condition in response to separating movement between the base and evaporation unit.
Inventors
- 👤 Bernard Chiu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:51
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/025
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
145 words
A humidifier apparatus comprising: a base means devoid of electrical components and circuitry and defining a reservoir for receiving liquid; a humidification unit mounted on said base means and adapted for movement relative thereto so as to provide access to said reservoir; said unit retaining all electrical components and circuitry of said apparatus and comprising electrically energized humidifier means for inducing dispersion of liquid within said reservoir, electrical switch means operatively connected to said humidifier means and adapted in an active state to cause energization thereof and in inactive state to cause deenergization thereof; a removable tank means for supplying liquid to said reservoir and mounted on said base means adjacent to said unit; and actuator means operatively coupled to said electrical switch means and adapted to provide said inactive state thereof in response to relative separating movement between said unit and said base means.
Claim 2
Dependent Claim
145 words
A humidifier apparatus comprising: a base means devoid of electrical components and circuitry and defining a reservoir for receiving liquid; a humidification unit mounted on said base means and adapted for movement relative thereto so as to provide access to said reservoir; said unit retaining all electrical components and circuitry of said apparatus and comprising electrically energized humidifier means for inducing dispersion of liquid within said reservoir, electrical switch means operatively connected to said humidifier means and adapted in an active state to cause energization thereof and in inactive state to cause deenergization thereof; a removable tank means for supplying liquid to said reservoir and mounted on said base means adjacent to said unit; and actuator means operatively coupled to said electrical switch means and adapted to provide said inactive state thereof in response to relative separating movement between said unit and said base means.
Claim 3
Dependent Claim
19 words
An apparatus according to claim 1 wherein said humidification means is adapted for complete separation from said base means.
Claim 4
Dependent Claim
15 words
An apparatus according to claim 2 wherein said base means is an integrally molded unit.
Claim 5
Dependent Claim
15 words
An apparatus according to claim 1 wherein said base means is an integrally molded unit.
Claim 6
Dependent Claim
145 words
A humidifier comprising: a base means defining a boiler cavity; a liquid supply means supported on said base means and having a discharge opening communicating with said boiler cavity and adapted to maintain a given level of liquid therein; an evaporation unit mounted on said base means and adapted for movement relative thereto so as to provide access to said cavity; said unit comprising an electrically energized heating element projecting into said boiler cavity and adapted to induce evaporation of liquid contained thereby, and a vapor passage defining means having a receiving end communicating with said cavity so as to receive vapor therefrom and a discharge end for discharging the vapor received from said cavity; and electrical control means operatively connected to said heating element and adapted to automatically provide deenergization thereof in response to relative separating movement between said unit and said base means.
Claim 7
Dependent Claim
145 words
A humidifier comprising: a base means defining a boiler cavity; a liquid supply means supported on said base means and having a discharge opening communicating with said boiler cavity and adapted to maintain a given level of liquid therein; an evaporation unit mounted on said base means and adapted for movement relative thereto so as to provide access to said cavity; said unit comprising an electrically energized heating element projecting into said boiler cavity and adapted to induce evaporation of liquid contained thereby, and a vapor passage defining means having a receiving end communicating with said cavity so as to receive vapor therefrom and a discharge end for discharging the vapor received from said cavity; and electrical control means operatively connected to said heating element and adapted to automatically provide deenergization thereof in response to relative separating movement between said unit and said base means.
Claim 8
Dependent Claim
18 words
A humidifier according to claim 5 including electrical supply means for supplying electrical energy to said heating element.
Claim 9
Dependent Claim
18 words
A humidifier according to claim 6 wherein said electrical supply means is retained completely in said evaporation unit.
Claim 10
Dependent Claim
18 words
A humidifier according to claim 7 wherein said base means is devoid of electrical components and electrical circuitry.
Claim 11
Dependent Claim
18 words
A humidifier according to claim 5 wherein said base means is devoid of electrical components and electrical circuitry.
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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) | 1995-07-21 | 1996-01-20 | 1996-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-07-21 | 2000-01-20 | 2000-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-07-21 | 2004-01-20 | 2004-07-21 | $7700.00 | Window Closed / Lapsed |