US3369374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacity control for refrigeration systems
Assignee: Carrier Corp
•
Filing: 1966-06-20
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Granted: 1968-02-20
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Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Kenneth H Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:48
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/008; F25; F25B; F25B41/00; F25B41/20; F25B2400/00; F25B2400/02; F25B2400/04; F25B2400/0409; F25B2600/00; F25B2600/25; F25B2600/2501
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A REFRIGERATION SYSTEM, THE COMBINATION OF: COMPRESSION MEANS; A FIRST HEAT EXCHANGER FOR CONDENSING REFRIGERANT DISCHARGE FROM SAID COMPRESSION MEANS; REFRIGERANT METERING MEANS CONNECTED WITH SAID FIRST HEAT EXCHANGER; A SECOND HEAT EXCHANGER FOR EVAPORATING REFRIGERANT, SAID SECOND HEAT EXCHANGER BEING ARRANGED BETWEEN SAID METERING MEANS AND SAID COMPRESSION MEANS; AND MEANS FOR CONTROLLING CAPACITY OF SAID SYSTEM INCLUDING A FLUID FLOW REGULATOR FORMING A VORTEX CHAMBER THROUGH WHICH SYSTEM REFRIGERANT PASSES EN ROUTE TO SAID COMPRESSION MEANS; A SOURCE OF PRESSURIZED CONTROL FLUID IN SUBSTANTIALLY TANGENTIAL COMMUNICATION WITH SAID VORTEX CHAMBER, SAID CONTROL FLUID BEING ADAPTED TO CAUSE REFRIGERANT FLOWING THROUGH SAID REGULATOR VORTEX CHAMBER TO FOLLOW A VORTEX-LIKE PATH, AND MEANS FOR VARYING DISCHARGE OF SAID CONTROL FLUID INTO SAID REGULATOR VORTEX CHAMBER IN RESPONSE TO SYSTEM LOAD CONDITIONS TO VARY FLOW OF REFRIGERANT THROUGH SAID FLUID REGULATOR AND CAPACITY OF SAID SYSTEM IN RESPONSE TO CHANGES IN SYSTEM LOAD.
Claim 2
Dependent Claim
153 words
IN A REFRIGERATION SYSTEM, THE COMBINATION OF: COMPRESSION MEANS; A FIRST HEAT EXCHANGER FOR CONDENSING REFRIGERANT DISCHARGE FROM SAID COMPRESSION MEANS; REFRIGERANT METERING MEANS CONNECTED WITH SAID FIRST HEAT EXCHANGER; A SECOND HEAT EXCHANGER FOR EVAPORATING REFRIGERANT, SAID SECOND HEAT EXCHANGER BEING ARRANGED BETWEEN SAID METERING MEANS AND SAID COMPRESSION MEANS; AND MEANS FOR CONTROLLING CAPACITY OF SAID SYSTEM INCLUDING A FLUID FLOW REGULATOR FORMING A VORTEX CHAMBER THROUGH WHICH SYSTEM REFRIGERANT PASSES EN ROUTE TO SAID COMPRESSION MEANS; A SOURCE OF PRESSURIZED CONTROL FLUID IN SUBSTANTIALLY TANGENTIAL COMMUNICATION WITH SAID VORTEX CHAMBER, SAID CONTROL FLUID BEING ADAPTED TO CAUSE REFRIGERANT FLOWING THROUGH SAID REGULATOR VORTEX CHAMBER TO FOLLOW A VORTEX-LIKE PATH, AND MEANS FOR VARYING DISCHARGE OF SAID CONTROL FLUID INTO SAID REGULATOR VORTEX CHAMBER IN RESPONSE TO SYSTEM LOAD CONDITIONS TO VARY FLOW OF REFRIGERANT THROUGH SAID FLUID REGULATOR AND CAPACITY OF SAID SYSTEM IN RESPONSE TO CHANGES IN SYSTEM LOAD.
References Cited (Backward Citations)
US2963878A
Cited
US3095710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |