Patent US3834683A successfully refreshed from Google Patents.
US3834683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power humidifier
Assignee: Individual
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Filing: 1972-09-01
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Granted: 1974-09-10
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Expires: 1992-09-01
Abstract
Abstract A power humidifier for permanent installation in a duct-defined path of air flow comprised of a housing having inlet and outlet ends and having therein, in the following sequence, a filter at the air inlet end, blower fans and a calrod heater arranged to heat air after it leaves the blowers and prior to its entrance into and through an air-pervious evaporator pad over and through which cold water is continuously flowed, for humidifying the stream of air passing therethrough. The side edges of the evaporator pad are spaced from the side walls of the housing to allow a minimum quantity of air to by-pass the evaporator pad.
Inventors
- 👤 Duffee C Mc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:37
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
220 words
A power humidifier for permanent installation in a ductdefined path of air flow comprising, in combination, a horizontally elongated housing having an air inlet opening in one end and an air outlet opening in its other end and being provided with duct-connecting means extending about said openings, air filter means mounted adjacent said inlet end for filtering entering air, a vertical partition in said housing disposed downstream from said air filter means and having an air-flow opening therein, motor-driven blower means mounted on said partition and to the side thereof facing said filter means, air heating means mounted on the other side of said partition and in the path of air moving through said opening therein, a vertically positioned self-contained evaporator pad in said housing intermediAte said heating means and said air outlet opening, water supply means delivering water to said evaporator pad for gravity flow therethrough, and means for collecting water draining from said evaporator pad, the width dimension of said evaporator pad being such that its side edges are spaced a small distance inwardly from the housing side walls to define vertically elongated passages, whereby a restricted quantity of air heated by the heating means is allowed to by-pass said evaporator pad and thereupon to commingle with the air of the air stream moving through the evaporator pad.
Claim 2
Dependent Claim
220 words
A power humidifier for permanent installation in a ductdefined path of air flow comprising, in combination, a horizontally elongated housing having an air inlet opening in one end and an air outlet opening in its other end and being provided with duct-connecting means extending about said openings, air filter means mounted adjacent said inlet end for filtering entering air, a vertical partition in said housing disposed downstream from said air filter means and having an air-flow opening therein, motor-driven blower means mounted on said partition and to the side thereof facing said filter means, air heating means mounted on the other side of said partition and in the path of air moving through said opening therein, a vertically positioned self-contained evaporator pad in said housing intermediAte said heating means and said air outlet opening, water supply means delivering water to said evaporator pad for gravity flow therethrough, and means for collecting water draining from said evaporator pad, the width dimension of said evaporator pad being such that its side edges are spaced a small distance inwardly from the housing side walls to define vertically elongated passages, whereby a restricted quantity of air heated by the heating means is allowed to by-pass said evaporator pad and thereupon to commingle with the air of the air stream moving through the evaporator pad.
Claim 3
Dependent Claim
72 words
A power humidifier according to claim 1, wherein said vertical partition is provided with dual air-flow openings and said blower means includes two tandemly arranged blowers operating to force air drawn into the housing through said partition openings, and wherein heat-chamber means extending in direct air-flow communication with said dual openings is affixed to said other side of the vertical partition and said air-heating means is removably mounted in said heat chamber.
Claim 4
Dependent Claim
21 words
A power humidifier according to claim 1, wherein the partition is formed with offset lugs removably engageable by the fan housing.
Claim 5
Dependent Claim
29 words
A power humidifier according to claim 1, wherein the air heating means includes means defining a chamber attached to the partition and an electric heater mounted in said chamber.
Claim 6
Dependent Claim
18 words
A power humidifier according to claim 4, wherein the electric heater is removably mounted in said defining means.
Claim 7
Dependent Claim
54 words
A power humidifier according to claim 1, wherein said water collecting means includes a drain pan removably supported below the evaporator pad, removable clips supporting said pan on the housing side walls, said slips also supporting said evaporator pad in place with its side edges spaced inwardly from the housing side walls as aforesaid.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-09 | 1978-03-11 | 1978-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-09 | 1982-03-11 | 1982-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-09 | 1986-03-11 | 1986-09-10 | $7700.00 | Window Closed / Lapsed |