JPS53145108A - Screw motor - Google Patents

Screw motor

Info

Publication number
JPS53145108A
JPS53145108A JP5974977A JP5974977A JPS53145108A JP S53145108 A JPS53145108 A JP S53145108A JP 5974977 A JP5974977 A JP 5974977A JP 5974977 A JP5974977 A JP 5974977A JP S53145108 A JPS53145108 A JP S53145108A
Authority
JP
Japan
Prior art keywords
screw motor
deddendum
addendum
make
sealing performance
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
JP5974977A
Other languages
Japanese (ja)
Inventor
Hiroto Maeda
Shigeru Igarashi
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 JP5974977A priority Critical patent/JPS53145108A/en
Publication of JPS53145108A publication Critical patent/JPS53145108A/en
Pending legal-status Critical Current

Links

Landscapes

  • Rotary-Type Compressors (AREA)
  • Rotary Pumps (AREA)

Abstract

PURPOSE: To improve manufacture efficiency and sealing performance by making contact with deddendum and addendum with a continuous curved line which make up a tooth form.
COPYRIGHT: (C)1978,JPO&Japio
JP5974977A 1977-05-25 1977-05-25 Screw motor Pending JPS53145108A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5974977A JPS53145108A (en) 1977-05-25 1977-05-25 Screw motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5974977A JPS53145108A (en) 1977-05-25 1977-05-25 Screw motor

Publications (1)

Publication Number Publication Date
JPS53145108A true JPS53145108A (en) 1978-12-18

Family

ID=13122189

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5974977A Pending JPS53145108A (en) 1977-05-25 1977-05-25 Screw motor

Country Status (1)

Country Link
JP (1) JPS53145108A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4406602A (en) * 1980-12-03 1983-09-27 Hitachi, Ltd. Screw rotor with specific tooth profile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4406602A (en) * 1980-12-03 1983-09-27 Hitachi, Ltd. Screw rotor with specific tooth profile

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