JPS5770985A - Screw rotor and its manufacturing method - Google Patents

Screw rotor and its manufacturing method

Info

Publication number
JPS5770985A
JPS5770985A JP14694380A JP14694380A JPS5770985A JP S5770985 A JPS5770985 A JP S5770985A JP 14694380 A JP14694380 A JP 14694380A JP 14694380 A JP14694380 A JP 14694380A JP S5770985 A JPS5770985 A JP S5770985A
Authority
JP
Japan
Prior art keywords
lobe
rotor
lobe member
boss
shaft portion
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.)
Granted
Application number
JP14694380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6357630B2 (de
Inventor
Hidetomo Mori
Ryozo Nishina
Yasuo Takahashi
Hideaki Kanbara
Toshimi Sasaki
Takashi Shimaguchi
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 Ltd
Original Assignee
Hitachi Ltd
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 Ltd filed Critical Hitachi Ltd
Priority to JP14694380A priority Critical patent/JPS5770985A/ja
Publication of JPS5770985A publication Critical patent/JPS5770985A/ja
Publication of JPS6357630B2 publication Critical patent/JPS6357630B2/ja
Granted 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
    • F04C18/082—Details specially related to intermeshing engagement type pumps
    • F04C18/084—Toothed wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
    • F01C1/082—Details specially related to intermeshing engagement type machines or engines
    • F01C1/084—Toothed wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary-Type Compressors (AREA)
JP14694380A 1980-10-22 1980-10-22 Screw rotor and its manufacturing method Granted JPS5770985A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14694380A JPS5770985A (en) 1980-10-22 1980-10-22 Screw rotor and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14694380A JPS5770985A (en) 1980-10-22 1980-10-22 Screw rotor and its manufacturing method

Publications (2)

Publication Number Publication Date
JPS5770985A true JPS5770985A (en) 1982-05-01
JPS6357630B2 JPS6357630B2 (de) 1988-11-11

Family

ID=15419073

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14694380A Granted JPS5770985A (en) 1980-10-22 1980-10-22 Screw rotor and its manufacturing method

Country Status (1)

Country Link
JP (1) JPS5770985A (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006233816A (ja) * 2005-02-23 2006-09-07 Hitachi Industrial Equipment Systems Co Ltd スクリューロータの製造方法
US7748970B2 (en) 2006-11-17 2010-07-06 Samsung Electronics Co., Ltd. Vacuum pump having fluid port and exhaust system
WO2019188322A1 (ja) * 2018-03-30 2019-10-03 株式会社日立産機システム スクリューロータ、流体機械本体及び流体機械
US11536270B2 (en) 2018-08-29 2022-12-27 Hitachi Industrial Equipment Systems Co., Ltd. Screw rotor and screw-type fluid machine main body
JP2023070489A (ja) * 2021-11-09 2023-05-19 株式会社日立産機システム スクリュー圧縮機

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466207U (de) * 1977-10-20 1979-05-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466207U (de) * 1977-10-20 1979-05-11

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006233816A (ja) * 2005-02-23 2006-09-07 Hitachi Industrial Equipment Systems Co Ltd スクリューロータの製造方法
US7748970B2 (en) 2006-11-17 2010-07-06 Samsung Electronics Co., Ltd. Vacuum pump having fluid port and exhaust system
WO2019188322A1 (ja) * 2018-03-30 2019-10-03 株式会社日立産機システム スクリューロータ、流体機械本体及び流体機械
JPWO2019188322A1 (ja) * 2018-03-30 2021-01-07 株式会社日立産機システム スクリューロータ、流体機械本体及び流体機械
US11415134B2 (en) 2018-03-30 2022-08-16 Hitachi Industrial Equipment Systems Co., Ltd. Screw rotor, fluid machine main body, and fluid machine
US11536270B2 (en) 2018-08-29 2022-12-27 Hitachi Industrial Equipment Systems Co., Ltd. Screw rotor and screw-type fluid machine main body
JP2023070489A (ja) * 2021-11-09 2023-05-19 株式会社日立産機システム スクリュー圧縮機
WO2023084938A1 (ja) * 2021-11-09 2023-05-19 株式会社日立産機システム スクリュー圧縮機
US12359667B2 (en) 2021-11-09 2025-07-15 Hitachi Industrial Equipment Systems Co., Ltd. Screw compressor

Also Published As

Publication number Publication date
JPS6357630B2 (de) 1988-11-11

Similar Documents

Publication Publication Date Title
SE8700326D0 (sv) Vented casting molds and process of making the same
JPS5770985A (en) Screw rotor and its manufacturing method
EP0089155A3 (de) Verbundkörper und Verfahren zu deren Herstellung
JPS56135778A (en) Method of manufacturing compressor rotor
JPS5572950A (en) Ptfe-wrapped gasket
JPS5723001A (en) Manufacture of cu-fe composite sintered oil-containing bearing
JPS5654987A (en) Screw compressor
JPS5793796A (en) Manufacture for vibration diaphragm for speaker
JPS5252210A (en) Manufacturing method of centrifugal ventilating fan
JPS5428007A (en) Method for manufacturing centrifugal fan
JPS54126853A (en) Manufacture of cam shaft
JPS57168023A (en) Gas turbine for high temperature
JPS53137462A (en) Manufacturing process of heat-insulating box
JPS5233113A (en) Manufaceuring method for resisting pessure vessel
JPS5729986A (en) Manufacture of dial plate for timepiece
JPS52143915A (en) Preparation of l aminated magnet core
JPS56127898A (en) Membrane tank
Karlashov et al. Effect of the Thickness of the Cladding Layer on the Fatigue and Corrosion-Fatigue Life of Al Alloy Sheet Materials
JPS5534952A (en) Method of manufacturing a hollow profile
JPS548571A (en) Pressure measuring device
JPS5530107A (en) Explosion-proof braun tube and reinforcing method same
FR2032119A6 (en) Long stabilized superconductors prodn
JPS56124896A (en) Manufacture of composite wick heat pipe
JPS5519532A (en) Method of manufacturing notched transmission belt
JPS6453002A (en) Method for manufacturing cooling passage