Digital controller for scroll compressor condensing unit
Abstract
A cooling system controller controls the capacity of a variable capacity compressor based upon the temperature of a housing being cooled, the suction pressure of the compressor or both of these criteria. The cooling system controller is capable of controlling either single-evaporator or multiple-evaporator refrigeration systems. The multiple-evaporator systems can have evaporators of similar temperatures or of mixed temperatures. The controller also allows the use of one or more condenser fans that are operated in a lead/lag fashion to control the cooling capability of the system.

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Projected expiry passed 15 January 2022, 4.7 years ago.
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1 sheet
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Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0921364A2 | Cites | European Patent Office (EPO) | Y | Search report | 3,4 |
| EP0972942A2 | Cites | European Patent Office (EPO) | A | Search report | 3,4 |
| EP0982497A1 | Cites | European Patent Office (EPO) | A | Search report | – |
| US4715792A | Cites | United States of America | X | Search report | 1,2 |
| US5199855A | Cites | United States of America | A | Search report | – |
| US5303562A | Cites | United States of America | Y | Search report | 5 |
| US6038871A | Cites | United States of America | A | Search report | – |
| WO9917066A1 | Cites | World Intellectual Property Organization (WIPO) | XY | Search report | 1,2,6-12 |
33 members in 10 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 811092 | United States of America | – | |
| 81109201 | United States of America | A | |
| 02250266 | European Patent Office (EPO) | A |
Members33
| Document | Office | Kind | |
|---|---|---|---|
| EP1241417A1 | European Patent Office (EPO) | A1 | |
| AU1883702A | Australia | A | |
| KR20020074055A | Republic of Korea | A | |
| US2002157409A1 | United States of America | A1 | |
| BR0105774A | Brazil | A | |
| CN1385659A | China | A | |
| US2003033823A1 | United States of America | A1 | |
| TW539836B | Taiwan Province of China | B | |
| US6601397B2 | United States of America | B2 | |
| US6745584B2 | United States of America | B2 | |
| EP1241417B1 | European Patent Office (EPO) | B1 | |
| EP1562011A2 | European Patent Office (EPO) | A2 | |
| AT300711T | Austria | T | |
| ATE300711T1 | Austria | T1 | |
| DE60205149D1 | Germany | D1 | |
| AU782942B2 | Australia | B2 | |
| CN1715812A | China | A | |
| DE60205149T2 | Germany | T2 | |
| KR100847265B1 | Republic of Korea | B1 | |
| CN101275799A | China | A | |
| CN100430674C | China | C | |
| CN100451497C | China | C | |
| EP1562011A3This record | European Patent Office (EPO) | A3 | |
| CN101975167A | China | A | |
| EP2284463A2 | European Patent Office (EPO) | A2 | |
| CN101975167B | China | B | |
| BR0105774B1 | Brazil | B1 | |
| EP1562011B1 | European Patent Office (EPO) | B1 | |
| EP2284463A3 | European Patent Office (EPO) | A3 | |
| ES2542331T3 | Spain | T3 | |
| CN101275799B | China | B | |
| BRPI0105774B8 | Brazil | B8 | |
| EP2284463B1 | European Patent Office (EPO) | B1 |
61 legal events, as 9 offices reported them to INPADOC
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| Event | Code | Office | |
|---|---|---|---|
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Announcement of lapse in spainLapsedFD2A | FD2A | ES | |
| Expiry of rightR071 | R071 | DE | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
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| Patent lapsedLapsedMM4A | MM4A | IE | |
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
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| Deletion acc. to par. 5 (withdrawal of the translation of the ep patent)MK05 | MK05 | AT | |
| Discontinued in the netherlands as no translation has been filedVDEP | VDEP | NL | |
| Definitive protectionFG2A | FG2A | ES | |
| Dpma publication of mentioned ep patent grantGrantedR096 | R096 | DE | |
| Reference to at number (ep patent validated in austria)REF | REF | AT | |
| European patents granted designating irelandGrantedFG4D | FG4D | IE | |
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| European patent takes effect as a national patent in ch/liEP | EP | CH | |
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Numbers
- Publication
- 1562011
- Application
- 50068923
Titles3
- German
- Digitaler Regler für eine Spiralverdichter-Kondensationseinheit
- English
- Digital controller for scroll compressor condensing unit
- French
- Régulateur digital pour une unité de condensation avec compresseur à spirales
Classification
- CPC, 23
- F04C28/18
- F04C28/00
- F04C18/0215
- F04C23/008
- F04C27/005
- F04C28/265
- F04C28/28
- F04C29/04
- F04C29/042
- F25B1/04
- F25B5/02
- F25B49/022
- F25B2400/075
- F25B2400/13
- F25B2400/22
- F25B2400/23
- F25B2600/026
- F25B2600/111
- F25B2700/1933
- F25B2700/21152
- F25B2700/2117
- Y02B30/70
- F04C28/24
- IPC, 12
- F25B49 02
- F25B1 04
- F04C23 00
- F04C28 00
- F04C18 02
- F04C27 00
- F04C28 18
- F04C28 24
- F04C28 26
- F04C28 28
- F04C29 04
- F25B5 02
Designated states20
- Contracting states, 20
- Austria
- Belgium
- Switzerland
- Cyprus
- Germany
- Denmark
- Spain
- Finland
- France
- United Kingdom
- Greece
- Ireland
- Italy
- Liechtenstein
- Luxembourg
- Monaco
- Netherlands (Kingdom of the)
- Portugal
- Sweden
- Türkiye