JPS5420417A - Closed type screw compressor - Google Patents

Closed type screw compressor

Info

Publication number
JPS5420417A
JPS5420417A JP8423777A JP8423777A JPS5420417A JP S5420417 A JPS5420417 A JP S5420417A JP 8423777 A JP8423777 A JP 8423777A JP 8423777 A JP8423777 A JP 8423777A JP S5420417 A JPS5420417 A JP S5420417A
Authority
JP
Japan
Prior art keywords
screw compressor
closed type
type screw
motor
enclosing
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.)
Pending
Application number
JP8423777A
Other languages
English (en)
Inventor
Shigekazu Nozawa
Hiroaki Kuno
Mitsuhiko Miyagawa
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 JP8423777A priority Critical patent/JPS5420417A/ja
Publication of JPS5420417A publication Critical patent/JPS5420417A/ja
Pending 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic pumps
    • 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
JP8423777A 1977-07-15 1977-07-15 Closed type screw compressor Pending JPS5420417A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8423777A JPS5420417A (en) 1977-07-15 1977-07-15 Closed type screw compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8423777A JPS5420417A (en) 1977-07-15 1977-07-15 Closed type screw compressor

Publications (1)

Publication Number Publication Date
JPS5420417A true JPS5420417A (en) 1979-02-15

Family

ID=13824855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8423777A Pending JPS5420417A (en) 1977-07-15 1977-07-15 Closed type screw compressor

Country Status (1)

Country Link
JP (1) JPS5420417A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58186185U (ja) * 1982-06-03 1983-12-10 三菱電機株式会社 電動機駆動式真空ポンプ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58186185U (ja) * 1982-06-03 1983-12-10 三菱電機株式会社 電動機駆動式真空ポンプ

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