F04C 27/007
Sealings for working fluid between radially and axially moving parts
Official title: {Sealings for working fluid between radially and axially moving parts}
F04C27/007 (Sealings for working fluid between radially and axially moving parts) appears on 27 US grants and 32 published applications in this corpus.
Search patents in F04C- Granted patents
- 27
- Published applications
- 32
- Assignees
- 22
- Inventors
- 79
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 7 |
| 2011 | 3 | 3 |
| 2012 | 0 | 1 |
| 2013 | 3 | 0 |
| 2014 | 2 | 3 |
| 2015 | 3 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 3 |
| 2021 | 1 | 3 |
| 2022 | 1 | 1 |
| 2023 | 3 | 1 |
| 2024 | 1 | 1 |
| 2025 | 3 | 0 |
By publication year.
Recent patents
- Gear pump with suction housing element providing a tight seal between suction and high-pressure chamber to increase pump efficiency and method of providing tight seal27 May 2025US 12,313,071 B1Hamilton Sundstrand Corporation
- Axially flexible compressor1 Apr 2025US 12,264,674 B2Hangzhou Lvneng New Energy Vehicle Parts Co., Ltd.
- Non-lubricated system with abradable sealing element, corresponding sealing element and method for assembling the system28 Jan 2025US 12,209,586 B2Atlas Copco Airpower, Naamloze Vennootschap
- Scroll compressor with improved sealing performance of back pressure chamber23 Jul 2024US 12,044,237 B2Hangzhou Lvneng New Energy Vehicle Parts Co., Ltd.
- Air conditioner having compressor including curved suction port and a plurality of exhaust ports19 Sep 2023US 11,761,445 B2Green Refrigeration Equipment Engineering Research Center of Zhuhai Gree Co., Ltd.
- Axially flexible compressor2 May 2024US 2024/0141897 A1Hangzhou Lvneng New Energy Vehicle Parts Co., Ltd.
- Scroll compressor with improved sealing performance of back pressure chamber7 Dec 2023US 2023/0392596 A1Hangzhou Lvneng New Energy Vehicle Parts Co., Ltd.
- Non-lubricated system with abradable sealing element, corresponding sealing element and method for assembling the system10 Mar 2022US 2022/0074413 A1Atlas Copco Airpower, Naamloze Vennootschap
- Compressor With Compliant Seal2 Dec 2021US 2021/0372400 A1Emerson Climate Technologies, Inc.
- Compressor arrangement with integrated motor16 Sep 2021US 2021/0285446 A1Societe des Produits Nestle S. A.
Most cited
By later US patents
- Scroll compressor with housing shell location13US 7,878,775 B2Bitzer Kuhlmaschinenbau GmbH · 2011
- Compressor having sound isolation feature6US 9,689,391 B2Emerson Climate Technologies, Inc. · 2017
- Scroll compressor having a gradually changing tip clearance5US 7,950,912 B2Mitsubushi Heavy Industries, Ltd. · 2011
- Scroll compressor having adjustable spacers5US 8,591,210 B2Edwards Limited · 2013
- Screw compressor including a single screw rotor with first and second screw groove being bilaterally symmetric4US 8,992,195 B2Daikin Industries, Ltd. · 2015