US5668920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceiling fan with attachable heater housing having an additional fan therein
Assignee: Pelonis USA Ltd
•
Filing: 1996-01-17
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Granted: 1997-09-16
•
Expires: 2016-01-17
Abstract
Abstract A dual fan room heater includes a conventional ceiling fan and a heating assembly unobtrusively mounted below the ceiling fan and having a PTC heating element and second fan for circulating air over the heating element. The dual fan provides heat in an efficient, effective and comfortable manner.
Inventors
- 👤 Kosta L. Pelonis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:24
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/18; F24H9/1854; F24H9/1863; F24H9/1872; F04; F04D; F04D25/00; F04D25/02; F04D25/08; F04D25/088; F04D29/00; F04D29/58; F04D29/582; F04D29/5826; F21; F21V; F21V33/00; F21V33/0088; F21V33/0092; F24F; F24F7/00; F24F7/007; F24H3/00; F24H3/02; F24H3/04; F24H3/0405; F24H3/0411
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
87 words
A dual fan room heater comprising: a) a ceiling fan assembly comprising a plurality of radially extending fan blades and a first fan motor adapted for operation at low rotational speed to circulate air within a room, and b) a heating assembly comprising at least one resistive electrical heating element, an additional heating fan assembly, independent of the ceiling fan, including a plurality of fan blades and a second motor for directing an airstream over the at least one resistive heating element to provide a heated airstream.
Claim 2
Dependent Claim
87 words
A dual fan room heater comprising: a) a ceiling fan assembly comprising a plurality of radially extending fan blades and a first fan motor adapted for operation at low rotational speed to circulate air within a room, and b) a heating assembly comprising at least one resistive electrical heating element, an additional heating fan assembly, independent of the ceiling fan, including a plurality of fan blades and a second motor for directing an airstream over the at least one resistive heating element to provide a heated airstream.
Claim 3
Dependent Claim
22 words
A dual fan room heater according to claim 1 wherein the at least one resistive electrical heating element comprises a PTC-type element.
Claim 4
Dependent Claim
35 words
A dual fan room heater according to claim 1 wherein the heating assembly further comprises a housing including air inlet means and air outlet means, the heating assembly being mounted below the ceiling fan blades.
Claim 5
Dependent Claim
38 words
A dual fan room heater according to claim 2 wherein the heating assembly further comprises temperature control means responsive to the ambient temperature to shut off power supplied to said heating element when a limit temperature is achieved.
Claim 6
Dependent Claim
36 words
A dual fan room heater according to claim 2 wherein said heating element includes two sections, and said heating assembly further comprises heating rate control means for supplying power to one or both of said sections.
Claim 7
Dependent Claim
50 words
A dual fan room heater according to claim 5 wherein the heating assembly comprises a plurality of resistive heating elements and the heating rate control means comprises (a) varying the number of heating elements to which current is supplied and (b) means for controlling the speed of the heating fan.
Claim 8
Dependent Claim
20 words
A dual fan room heater according to claim 1 wherein the heated airstream is directed downward from the heating assembly.
Claim 9
Dependent Claim
42 words
A dual fan room heater according to claim I wherein the rotating ceiling fan blades provide a generally downward directed airflow below the blades, and further comprising means for directing the flow of the heated airstream into the generally downwardly directed airflow.
Claim 10
Dependent Claim
25 words
A dual fan room heater according to claim 2 further comprising means for prefiltering the airstream directed over the at least one resistive heating element.
Claim 11
Dependent Claim
16 words
A dual fan room heater according to claim 1 further comprising at least one lighting element.
Claim 12
Dependent Claim
81 words
In combination with a ceiling fan having a first motor, a heating assembly adapted for mounting on said ceiling fan to provide a dual fan room heater, the heating assembly comprising at least one resistive electrical heating element, a heating fan assembly including a plurality of fan blades and a second motor for directing an airstream over the at least one resistive heating element to provide a heated airstream, and means for mounting the heating fan assembly on the ceiling fan.
Claim 13
Dependent Claim
81 words
In combination with a ceiling fan having a first motor, a heating assembly adapted for mounting on said ceiling fan to provide a dual fan room heater, the heating assembly comprising at least one resistive electrical heating element, a heating fan assembly including a plurality of fan blades and a second motor for directing an airstream over the at least one resistive heating element to provide a heated airstream, and means for mounting the heating fan assembly on the ceiling fan.
Claim 14
Dependent Claim
20 words
A heating assembly according to claim 11 wherein the at least one resistive electrical heating element comprises a PTC-type element.
Claim 15
Dependent Claim
28 words
A heating assembly according to claim 11 further comprising a housing including air inlet means and air outlet means, the heating assembly being mounted below the ceiling fan.
Claim 16
Dependent Claim
36 words
A heating assembly according to claim 11 wherein the heating assembly further comprises temperature control means responsive to the ambient temperature to shut off power supplied to said heating element when a limit temperature is achieved.
Claim 17
Dependent Claim
34 words
A heating assembly according to claim 11 wherein said heating element includes two sections, and said heating assembly further comprises heating rate control means for supplying power to one or both of said sections.
Claim 18
Dependent Claim
48 words
A heating assembly according to claim 15 wherein the heating assembly comprises a plurality of resistive heating elements and the heating rate control means comprises (a) varying the number of heating elements to which current is supplied and (b) means for controlling the speed of the heating fan.
Claim 19
Dependent Claim
18 words
A heating assembly according to claim 11 wherein the heated airstream is directed downward from the heating assembly.
Claim 20
Dependent Claim
41 words
A heating assembly according to claim 11 wherein the ceiling fan has blades which provide a generally downward directed airflow below the blades, and further comprising means for directing the flow of the heated airstream into the generally downwardly directed airflow.
Claim 21
Dependent Claim
23 words
A heating assembly according to claim 12 further comprising means for prefiltering the airstream directed over the at least one resistive heating element.
Claim 22
Dependent Claim
14 words
A heating assembly according to claim 11 further comprising at least one lighting element.
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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) | 2000-09-15 | 2001-03-17 | 2001-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-09-15 | 2005-03-17 | 2005-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-09-15 | 2009-03-17 | 2009-09-16 | $7700.00 | Window Closed / Lapsed |