Patents
US 11215386 B2: Refrigeration circuit
- Granted
- 2022-01-04
- Filed
- 2016-03-31 application 16088284
- Type
- Utility · 9 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Refrigeration circuit (1a) comprising in the direction of flow of a circulating refrigerant: a compressor unit (2) comprising at least one compressor (2a, 2b, 2c); a heat rejecting heat exchanger/gas cooler (4); a high pressure expansion device (6); a receiver (8); an expansion device (10); an evaporator (12); and a low pressure gas-liquid-separation unit comprising at least two collecting containers (32, 34) which are configured for alternately separating a liquid phase portion from the refrigerant leaving the evaporator (12) and delivering the separated liquid refrigerant back to the receiver (8).
Source: PVGPATDIS, file of 2026-04-10 (ipg220104.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| CARRIER CORPORATION 2,012 patents | US company or organization | North Palm Beach, FL | CARRIER CORPORATION Federal lobbying client EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Sascha Hellmann | Hessen, DE | 13 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F25B | Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems | F25B43/006 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2018-09-25 | Assignment Assignment of assignor's interest | CARRIER KALTETECHNIK DEUTSCHLAND GMBH signed 2016-05-02 | CARRIER CORPORATION FARMINGTON, CT | 46967/71 | ECORSEXC, file of 2026-09-25 |
| 2018-09-25 | Assignment Assignment of assignor's interest | HELLMANN, SASCHA signed 2016-04-07 | CARRIER KALTETECHNIK DEUTSCHLAND GMBH KOLN | 46967/50 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.