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Patent US4880993A successfully refreshed from Google Patents.
US4880993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building heat and power system
Assignee: Combined Power Systems Ltd
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Filing: 1988-06-14
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Granted: 1989-11-14
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Expires: 2008-06-14
Abstract
Abstract There is disclosed a combined heat and power system for a building having a heat demand comprising a primer mover an electrical generator, adapted to provide building power, the said prime mover being drivingly connected thereto a heat recovery arrangement said heat recovery arrangement being connected to the prime mover and recovering heat therefrom, and adapted to provide building heating, and a control arrangement adapted automatically to control the prime mover in response to said heating demand.
Inventors
- 👤 Julian P. Packer
- 👤 Sam Almozaffar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:01
CPC Classifications
F; F02; F02B; F02B63/00; F02B63/04; F02G; F02G5/00; F02G5/02; F02G5/04; G; G05; G05D; G05D29/00; F02B43/00; F02G2260/00; Y; Y02; Y02E; Y02E20/00; Y02E20/14; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S706/00; Y10S706/902; Y10S706/903; Y10S706/906; Y10S706/907
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
96 words
A combined space heat and electrical power producing system for a building and comprising in combination: a prime mover, an electrical generator connected to be driven by the prime mover and adapted to provide the electrical power to the building, heat recovery means in heat exchange relationship with the prime mover to recover waste heat therefrom and adapted to provide the space heat to the building, a control arrangement adapted automatically to control the prime mover, the control arrangement including an intelligent knowledge-based system scheduling maintenance operations and predicting failures of components and of the system.
Claim 2
Dependent Claim
96 words
A combined space heat and electrical power producing system for a building and comprising in combination: a prime mover, an electrical generator connected to be driven by the prime mover and adapted to provide the electrical power to the building, heat recovery means in heat exchange relationship with the prime mover to recover waste heat therefrom and adapted to provide the space heat to the building, a control arrangement adapted automatically to control the prime mover, the control arrangement including an intelligent knowledge-based system scheduling maintenance operations and predicting failures of components and of the system.
Claim 3
Dependent Claim
124 words
A combined space heat and electrical power producing network for a building comprising in combination: a prime mover, an electrical generator connected to be driven by the prime mover and adapted to provide the electrical power to the building, heat recovery means in heat exchange relationship with the prime mover to recover waste heat therefrom and adapted to provide the space heat to the building, a remote control arrangement connected to the prime over and to the generator and to the recovery means and adapted automatically to control same, the remote control arrangement receiving operating information from same and effecting control over same and including a heuristic arrangement adapted to increase total efficiency of same by adapting control algorithms according to the operating information.
Claim 4
Dependent Claim
124 words
A combined space heat and electrical power producing network for a building comprising in combination: a prime mover, an electrical generator connected to be driven by the prime mover and adapted to provide the electrical power to the building, heat recovery means in heat exchange relationship with the prime mover to recover waste heat therefrom and adapted to provide the space heat to the building, a remote control arrangement connected to the prime over and to the generator and to the recovery means and adapted automatically to control same, the remote control arrangement receiving operating information from same and effecting control over same and including a heuristic arrangement adapted to increase total efficiency of same by adapting control algorithms according to the operating information.
Claim 5
Dependent Claim
27 words
The system according to claim 2 further characterized in that it is adapted to respond independently to demand for electrical power and demand for the space heat.
Claim 6
Dependent Claim
39 words
The system according to claim 3, further characterized in that it is operable to supply up to a maximum rated electrical power output and simultanously to supply less than an entire heat output associated therewith to the space heat.
Claim 7
Dependent Claim
28 words
The system according to claim 4 further characterized by connection means comprising a modem adapted to connect the system to said remote control arrangement via a telephone link.
Claim 8
Dependent Claim
34 words
The system according to claim 4 further characterized in that said remote control arrangement is adapted to control said system according to rules which can be changed by signals by the remote control arrangement.
Claim 9
Dependent Claim
25 words
The system according to claim 6 further characterized in that said system is adapted to supply two said remote control arrangement information about the system.
Claim 10
Dependent Claim
22 words
The system according to claim 2 further characterized in that said system is adapted to monitor conditions of elements of the system.
Claim 11
Dependent Claim
21 words
The system according to claim 8 further characterized in that said remote control arrangement is adapted to monitor lubricating oil conditions.
Claim 12
Dependent Claim
21 words
The system according to claim 8 further characterized in that said remote control arrangement is adapted to monitor spark plug conditions.
Claim 13
Dependent Claim
21 words
The system according to claim 8 further characterized in that said remote control arrangement is adapted to effect such monitoring on-site.
Claim 14
Dependent Claim
27 words
The system according to claim claim 8 further characterized in that said remote control arrangement is adapted to effect such monitoring by communication with external processing means.
Claim 15
Dependent Claim
23 words
The system according to claim 2 further characterized in that said remote control arrangement is adapted to monitor operating variables of the system.
Claim 16
Dependent Claim
22 words
The system according to claim 13 further characterized in that said remote control arrangement is adapted to monitor temperatures of the system.
Claim 17
Dependent Claim
25 words
The system according to claim 14 further characterized in that said remote control arrangement is adapted to monitor water temperatures associated with the space heat.
Claim 18
Dependent Claim
25 words
The system according to claim 14 further characterized in that said remote control arrangement is adapted to monitor exhaust system temperature of the prime mover.
Claim 19
Dependent Claim
25 words
The system according to claim 13 further characterized in that said remote control arrangement is adapted to monitor flow rates of fluids in the system.
Claim 20
Dependent Claim
21 words
The system according to claim 17 further characterized in that said remote control arrangement is adapted to monitor fuel flow rate.
Claim 21
Dependent Claim
28 words
The system according to claim 17 further characterized in that said remote control arrangement is adapted to monitor flow rates of water used to circulate the space heat.
Claim 22
Dependent Claim
23 words
The system according to claim 13 further characterized in that said remote control arrangement is adapted to monitor electrical output of the system.
Claim 23
Dependent Claim
21 words
The system according to claim 20 further characterized in that said remote control arrangement is adapted to monitor electrical power output.
Claim 24
Dependent Claim
20 words
The system according to claim 20 further characterized in that said remote control arrangement is adapted to monitor power factor.
Claim 25
Dependent Claim
22 words
The system according to claim 20 further characterized in that said remote control arrangement is adapted to monitor phase voltage and current.
Claim 26
Dependent Claim
19 words
The system according to claim 20 further characterized in that said remote control arrangement is adapted to monitor frequency.
Claim 27
Dependent Claim
26 words
The system according to claim 2 further characterized in that said remote control arrangement is adapted to monitor status of electrical control circuits of the system.
Claim 28
Dependent Claim
26 words
The system according to claim 2 further characterized in that said remote control arrangement provides engine governing and mains synchronization for said prime mover and generator.
Claim 29
Dependent Claim
37 words
The system according to claim 2 further characterized in that it is in association with at least one other heat generator so arranged and controlled that the heat recovery means is priority heat generator for the building.
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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) | 1992-11-13 | 1993-05-15 | 1993-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-11-13 | 1997-05-15 | 1997-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-11-13 | 2001-05-15 | 2001-11-14 | $7700.00 | Window Closed / Lapsed |