EP3604814A4 - Screw type fluid machine - Google Patents

Screw type fluid machine Download PDF

Info

Publication number
EP3604814A4
EP3604814A4 EP17861211.5A EP17861211A EP3604814A4 EP 3604814 A4 EP3604814 A4 EP 3604814A4 EP 17861211 A EP17861211 A EP 17861211A EP 3604814 A4 EP3604814 A4 EP 3604814A4
Authority
EP
European Patent Office
Prior art keywords
screw type
fluid machine
type fluid
machine
screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17861211.5A
Other languages
German (de)
French (fr)
Other versions
EP3604814A1 (en
Inventor
Takeshi Tsuchiya
Ryuichiro Yonemoto
Satoshi Iwai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Johnson Controls Air Conditioning Inc
Original Assignee
Hitachi Johnson Controls Air Conditioning Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Johnson Controls Air Conditioning Inc filed Critical Hitachi Johnson Controls Air Conditioning Inc
Publication of EP3604814A1 publication Critical patent/EP3604814A1/en
Publication of EP3604814A4 publication Critical patent/EP3604814A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP17861211.5A 2017-03-24 2017-11-16 Screw type fluid machine Withdrawn EP3604814A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017059472A JP6448698B2 (en) 2017-03-24 2017-03-24 Screw fluid machinery
PCT/JP2017/041299 WO2018173362A1 (en) 2017-03-24 2017-11-16 Screw type fluid machine

Publications (2)

Publication Number Publication Date
EP3604814A1 EP3604814A1 (en) 2020-02-05
EP3604814A4 true EP3604814A4 (en) 2020-11-18

Family

ID=63584423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17861211.5A Withdrawn EP3604814A4 (en) 2017-03-24 2017-11-16 Screw type fluid machine

Country Status (4)

Country Link
EP (1) EP3604814A4 (en)
JP (1) JP6448698B2 (en)
CN (1) CN108934174B (en)
WO (1) WO2018173362A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7366799B2 (en) * 2020-02-25 2023-10-23 株式会社日立産機システム Liquid feed type screw compressor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178104A (en) * 1962-08-20 1965-04-13 Gardner Denver Co Bearing lubrication system for compressor apparatus
JP2001323887A (en) * 2000-05-12 2001-11-22 Hitachi Ltd Oil feed type screw compressor
JP5177081B2 (en) * 2009-06-01 2013-04-03 株式会社日立プラントテクノロジー Screw compressor
JP6088212B2 (en) * 2012-11-07 2017-03-01 株式会社日立産機システム Screw compressor
CN103821713A (en) * 2012-11-19 2014-05-28 珠海格力电器股份有限公司 Screw compressor, oil circuit circulation system and air conditioning unit
JP6125375B2 (en) * 2013-08-26 2017-05-10 ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー（ホンコン）リミテッド Screw compressor
CN104481875A (en) * 2014-12-19 2015-04-01 珠海格力电器股份有限公司 Screw compressor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
CN108934174A (en) 2018-12-04
EP3604814A1 (en) 2020-02-05
JP6448698B2 (en) 2019-01-09
JP2018162694A (en) 2018-10-18
CN108934174B (en) 2019-12-27
WO2018173362A1 (en) 2018-09-27

Similar Documents

Publication Publication Date Title
EP3674487A4 (en) Construction machine
EP3581715A4 (en) Construction machine
EP3604824A4 (en) Construction machine
EP3505763A4 (en) Fluid machine
EP3578830A4 (en) Construction machine
EP3159544B8 (en) Scroll fluid machine
EP3712335A4 (en) Construction machine
EP3686358A4 (en) Construction machine
EP3258110A4 (en) Package-type fluid machine
EP3492755A4 (en) Construction machine
EP3456971A4 (en) Scroll fluid machine
EP3663137A4 (en) Construction machine
EP3690147A4 (en) Construction machine
EP3556717A4 (en) Construction machine
EP3495568A4 (en) Construction machine
EP3693091A4 (en) Color-sorting machine
EP3730704A4 (en) Construction machine
EP3483446A4 (en) Scroll-type fluid machine
EP3680396A4 (en) Construction machine
PL3460180T3 (en) Screw spindle pump
EP3680490A4 (en) Fluid machine
EP3604687A4 (en) Construction machine
EP3556716A4 (en) Construction machine
EP3604823A4 (en) Construction machine
EP3486490A4 (en) Motor-integrated fluid machine

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20190726

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20201019

RIC1 Information provided on ipc code assigned before grant

Ipc: F04C 29/02 20060101ALI20201013BHEP

Ipc: F04C 18/16 20060101AFI20201013BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20230324

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20230804