Invention Grant
- Patent Title: Method of lubricating a rotary screw compressor
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Application No.: US14618129Application Date: 2015-02-10
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Publication No.: US10253232B2Publication Date: 2019-04-09
- Inventor: Hsinheng Li , Jeng-Shiang Tsaih , Hsu-Hua Tang , Jung-Tsung Hung , Chih-Wei Wu , Tai-Her Tsai , Hsin-Li Huang
- Applicant: Patech Fine Chemicals Co., Ltd.
- Applicant Address: TW Changhua County
- Assignee: PATECH FINE CHEMICALS CO., LTD.
- Current Assignee: PATECH FINE CHEMICALS CO., LTD.
- Current Assignee Address: TW Changhua County
- Agency: Bacon & Thomas, PLLC
- Main IPC: C09K5/04
- IPC: C09K5/04 ; C10M111/02 ; C10M169/04 ; C10M171/00
Abstract:
An ester-based lubricating oil for use in a rotary screw compressor utilizing a chlorine-free hydrofluorocarbon (HFC) refrigerant such as R-134a contains a product obtained from a reaction of tripentaerythritol and a mixed C5-C10 monocarboxylic acid, or a product obtained from a reaction of dipentaerythritol and a mixed C5-C10 monocarboxylic acid, and optionally a product obtained from a reaction of dipentaerythritol and a C5 monocarboxylic acid.
Public/Granted literature
- US20160230111A1 Method of Lubricating a Rotary Screw Compressor Public/Granted day:2016-08-11
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