US4369916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy saving override blower control for forced air systems
Assignee: Individual
•
Filing: 1980-11-03
•
Granted: 1983-01-25
•
Expires: 2000-11-03
Abstract
Abstract A blower override system and control for forced air systems such as heating or cooling systems in which an override relay starts the blower to circulate the warmed or cooled air when the heating or cooling element turned on. When the heating or cooling is turned off, the blower is thereupon allowed to continue by the override unit to function for a timed interval by a time delay relay. The unit is in a control box and ready to attach to existing control structures for forced air systems.
Inventors
- 👤 Dean M. Abbey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:15
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/30
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
121 words
An overide control element wired for connection to regular thermal controls to heating and air conditioning blowers comprising: a control box; a chassis in said control box; a time delay relay support socket secured to said chassis; a time delay relay on said time delay relay support socket; an override relay socket separate from said time delay relay support socket; at least one override relay on override relay socket; wiring integrating said time delay relay with said override relay; and leads for operable connection of said relays to said regular thermal control and to blowers served thereby whereby said blowers are activated upon energization of said regular controls and are continued for a selected interval beyond de-energization of said regular controls.
Claim 2
Dependent Claim
121 words
An overide control element wired for connection to regular thermal controls to heating and air conditioning blowers comprising: a control box; a chassis in said control box; a time delay relay support socket secured to said chassis; a time delay relay on said time delay relay support socket; an override relay socket separate from said time delay relay support socket; at least one override relay on override relay socket; wiring integrating said time delay relay with said override relay; and leads for operable connection of said relays to said regular thermal control and to blowers served thereby whereby said blowers are activated upon energization of said regular controls and are continued for a selected interval beyond de-energization of said regular controls.
Claim 3
Dependent Claim
18 words
In the override control element of claim 1 wherein plural override relays are employed at selected operating voltages.
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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) | 1986-01-24 | 1986-07-26 | 1987-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-24 | 1990-07-26 | 1991-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-24 | 1994-07-26 | 1995-01-25 | $7700.00 | Window Closed / Lapsed |