US5279458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Network management control
Assignee: Carrier Corp
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Filing: 1991-08-12
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Granted: 1994-01-18
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Expires: 2011-08-12
Abstract
Abstract A Network Management Control System for a multi-space building having individual space heating and cooling units in each space that ties the individual heating and cooling units together with a central computer which allows the remote computer to interrogate and overwrite parameters set at each local heating and cooling unit.
Inventors
- 👤 Thomas L. Dewolf
- 👤 Thomas R. Phillips
- 👤 Ronald W. Bench
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:48
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/30; F24F11/46; F24F11/47; F24F11/50; F24F11/54; F24F11/62; F24F11/63; F24F11/65; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1902; G05D23/1905; F24F2120/00; F24F2120/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
154 words
A system for controlling the operation of a plurality of packaged terminal air conditioning units each having individual keyboards, each individual keyboard having an operative switch selection for changing the temperature setpoint at which the packaged terminal unit will operate and an operative switch selection for changing the operating mode, said system further comprising: a plurality of packaged air conditioner unit system managers for interrogating and overwriting parameters in a subgrouping of packaged air conditioner units; a central desk computer for controlling the interrogation and overwriting of parameters by said unit system managers, said central desk computer including a means for overwriting or modifying the operative switch selections on the individual keyboards, and each packaged terminal air conditioning unit including means, associated with the operative switch selection on the keyboard for changing the temperature setpoint, for overriding the temperature setpoint that may have been established by said overwriting means in said central desk computer.
Claim 2
Independent Claim
154 words
A system for controlling the operation of a plurality of packaged terminal air conditioning units each having individual keyboards, each individual keyboard having an operative switch selection for changing the temperature setpoint at which the packaged terminal unit will operate and an operative switch selection for changing the operating mode, said system further comprising: a plurality of packaged air conditioner unit system managers for interrogating and overwriting parameters in a subgrouping of packaged air conditioner units; a central desk computer for controlling the interrogation and overwriting of parameters by said unit system managers, said central desk computer including a means for overwriting or modifying the operative switch selections on the individual keyboards, and each packaged terminal air conditioning unit including means, associated with the operative switch selection on the keyboard for changing the temperature setpoint, for overriding the temperature setpoint that may have been established by said overwriting means in said central desk computer.
Claim 3
Dependent Claim
41 words
The system of claim 1 wherein each packaged terminal air conditioning unit furthermore includes means, associated with the operative switch selection on the keyboard for changing the operating mode, for overriding the operating mode selection established by said central desk computer.
Claim 4
Dependent Claim
58 words
The system of claim 2 wherein each packaged terminal air conditioning unit furthermore includes: a motion detection device; and means responsive to the motion detection device for setting a packaged terminal air conditioning unit to an unoccupied mode of operation whereby the setpoints currently established by keyboard switch selection are slowly relaxed over a set period of time.
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) | 1997-01-17 | 1997-07-19 | 1998-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-01-17 | 2001-07-19 | 2002-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-01-17 | 2005-07-19 | 2006-01-18 | $7700.00 | Window Closed / Lapsed |