US5044172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning apparatus
Assignee: Takenaka Corp
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Filing: 1987-10-30
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Granted: 1991-09-03
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Expires: 2007-10-30
Abstract
Abstract An air conditioning apparatus having a cold accumulating cycle including a first compressor, a first condensor, a first decompressing mechanism and a heat accumulator and a refrigerating cycle including a second compressor, a second condensor, a second decompressing mechanism and an evaporator, wherein the heat accumulating cycle and the refrigerating cycle are provided independently of each other and in that a cooling device using the evaporator as cooling means serves for cooling by utilizing heat accumulated in the heat accumulator thereby constituting a cold transfer circuit.
Inventors
- 👤 Yoshinori Inoue
- 👤 Masao Endo
- 👤 Shinji Miura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:47
CPC Classifications
F; F25; F25D; F25D16/00; F24; F24F; F24F3/00; F24F3/06; F24F3/08; F25B; F25B13/00; F25B2313/00; F25B2313/023; F25B2313/0233; F25B2313/027; F25B2313/02743; F25B2400/00; F25B2400/06; F25B25/00; F25B25/005; Y; Y02; Y02E; Y02E60/00; Y02E60/14
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
120 words
An air conditioning apparatus utilizing a cold accumulating-cooling cycle, said apparatus comprising: a cold accumulating cycle (10) including a first compressor (1), a first condenser (2), a first decompressing mechanism (3) and a heat accumulator (4) for accumulating coldness; a cooling cycle (9) including a second compressor (5), a second condenser (6), a second decompressing mechanism (7) and an evaporator (8); a cold transfer circuit (11) including a heat exchanger means (8') utilizing the coldness accumulated in said heat accumulator (4); said cold accumulating cycle (10), cooling cycle (9) and said cold transfer circuit (11) being provided independently of each other; and a cooling device (13) utilizing said evaporator (8) and said heat exchanger means (8') as cooling means thereof.
Claim 2
Dependent Claim
120 words
An air conditioning apparatus utilizing a cold accumulating-cooling cycle, said apparatus comprising: a cold accumulating cycle (10) including a first compressor (1), a first condenser (2), a first decompressing mechanism (3) and a heat accumulator (4) for accumulating coldness; a cooling cycle (9) including a second compressor (5), a second condenser (6), a second decompressing mechanism (7) and an evaporator (8); a cold transfer circuit (11) including a heat exchanger means (8') utilizing the coldness accumulated in said heat accumulator (4); said cold accumulating cycle (10), cooling cycle (9) and said cold transfer circuit (11) being provided independently of each other; and a cooling device (13) utilizing said evaporator (8) and said heat exchanger means (8') as cooling means thereof.
Claim 3
Dependent Claim
41 words
An air conditioning apparatus utilizing a cold accumulating-cooling cycle, as defined in claim 1, wherein a plurality of said heat accumulators (4) are provided for each said first compressor (1), said first condenser (2) and for said first decompressing mechanism (3).
Claim 4
Dependent Claim
39 words
An air conditioning apparatus utilizing a cold accumulating-cooling cycle, as defined in claim 1, wherein a plurality of said evaporators (8) are provided for said second compressor (5), said second condensor (6) and for said second decompressing mechanism (7).
Claim 5
Dependent Claim
39 words
An air conditioning apparatus utilizing a cold accumulating-cooling cycle, as defined in claim 1, wherein a plurality of said first or second decompressing mechanisms (3), (7) are operatively connected with either of said first or second compressor (1), (5).
Claim 6
Dependent Claim
49 words
An air conditioning apparatus utilizing a cold accumulating-cooling cycle, as defined in claim 1, wherein cooling medium of said cold transfer circuit (11) disposed between said heat accumulator (4) and said cooling device (13) is provided independently for said cold accumulating cycle (10) and for said cooling cycle (9).
Claim 7
Dependent Claim
32 words
An air conditioning apparatus utilizing a cold accumulating-cooling cycle, as defined in claim 1, wherein said cold transfer circuit (11) utilizes heat accumulating material of said heat accumulator (4) as cooling medium.
Claim 8
Dependent Claim
26 words
An air conditioning apparatus utilizing a cold accumulating-cooling cycle, as defined in claim 1, wherein said heat accumulating material of said heat accumulator (4) comprises water.
Claim 9
Dependent Claim
26 words
An air conditioning apparatus utilizing a cold accumulating-cooling cycle, as defined in claim 1, wherein said heat accumulating material of said heat accumulator (4) comprises freon.
Claim 10
Dependent Claim
54 words
An air conditioning apparatus, as defined in claim 1, wherein said heat accumulator (4) has sufficient capacity to accumulate coldness during hours of non-peak electricity demand and to retain that cold until hours of peak electricity demand so that the accumulated coldness can be utilized for cooling during said hours of peak electricity demand.
Claim 11
Dependent Claim
34 words
An air conditioning apparatus, as defined in claim 9, wherein at least one additional set of first compressor (1), first condenser (2) and first decompressing mechanism (3) is connected to said heat accumulator (4).
Claim 12
Dependent Claim
34 words
An air conditioning apparatus, as defined in claim 9, wherein at least one additional set of second compressor (5), second condensor (6) and second decompressing mechanism (7) is connected to said first evaporator (8).
Claim 13
Dependent Claim
18 words
An air conditioning apparatus, as defined in claim 9, wherein said cooling device (13) includes a fan (12).
Claim 14
Dependent Claim
19 words
An air conditioning apparatus, as defined in claim 9, wherein said cold transfer circuit (11) includes a pump (18).
Claim 15
Dependent Claim
33 words
An air conditioning apparatus, as defined in claim 13, wherein said cold transfer circuit (11) includes a cooling medium which is forcibly supplied by said pump (18) to said heat exchanger means (8').
Claim 16
Dependent Claim
62 words
An air conditioning apparatus, as defined in claim 9, wherein the operating periods of the cold accumulating cycle (10) are independent of the operating periods of the cold transfer circuit (11), so that said cold accumulating cycle (10) may operate during said hours of non-peak electricity demand and said cold transfer circuit (11) may operate during said hours of peak electricity demand.
Claim 17
Dependent Claim
27 words
An air conditioning apparatus, as defined in claim 12, wherein said fan (12) operates to move air past both said evaporator (8) and said heat means (8').
Claim 18
Dependent Claim
18 words
An air conditioning apparatus, as defined in claim 9, wherein said heat accumulator is a concentrated accumulating tank.
References Cited (Backward Citations)
US3067592A
Cited
US2797068A
Cited
US2984458A
Cited
US2935857A
Cited
US4000626A
Cited
US4104890A
Cited
US4294083A
Cited
US4302944A
Cited
US4827735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-09-02 | 1995-03-04 | 1995-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-09-02 | 1999-03-04 | 1999-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-02 | 2003-03-04 | 2003-09-03 | $7700.00 | Window Closed / Lapsed |