Patents
US 10724771 B2: Ejector refrigeration circuit
- Granted
- 2020-07-28
- Filed
- 2015-05-12 application 15572020
- Type
- Utility · 17 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An ejector refrigeration circuit comprises a high pressure ejector circuit comprising in the direction of flow of a circulating refrigerant: a heat rejecting heat exchanger/gas cooler having an inlet side and an outlet side; at least two variable ejectors (6, 7) with different capacities connected in parallel, each of the variable ejectors comprising a primary high pressure input port, a secondary low pressure input port and an output port; wherein the primary high pressure input ports of the at least two variable ejectors are fluidly connected to the outlet side of the heat rejecting heat exchanger/gas cooler; a receiver, having an inlet, a liquid outlet, and a gas outlet, wherein the inlet is fluidly connected to the output ports of the at least two variable ejectors; at least one compressor having an inlet side and an outlet side.
Source: PVGPATDIS, file of 2026-04-10 (ipg200728.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 | Hochheim, DE | 13 | PVGPATDIS, file of 2026-04-10 | |
| Christoph Kren | Hochheim, DE | 1 | 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 | F25B1/10 | 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 |
|---|---|---|---|---|---|
| 2020-11-04 | Assignment Assignment of assignor's interest | CARRIER KALTETECHNIK DEUTSCHLAND GMBH signed 2020-10-29 | CARRIER CORPORATION PALM BEACH GARDENS, FL | 54266/668 | ECORSEXC, file of 2026-09-25 |
| 2017-11-06 | Assignment Assignment of assignor's interest | HELLMANN, SASCHA signed 2015-05-19 KREN, CHRISTOPH signed 2015-05-19 | CARRIER KÄLTETECHNIK DEUTSCHLAND GMBH MAINZ-KOSTHEIM | 44042/298 | 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.