DE69109145T2 - Process for the surface treatment of a rotatable axis in a liquid compressor. - Google Patents

Process for the surface treatment of a rotatable axis in a liquid compressor.

Info

Publication number
DE69109145T2
DE69109145T2 DE1991609145 DE69109145T DE69109145T2 DE 69109145 T2 DE69109145 T2 DE 69109145T2 DE 1991609145 DE1991609145 DE 1991609145 DE 69109145 T DE69109145 T DE 69109145T DE 69109145 T2 DE69109145 T2 DE 69109145T2
Authority
DE
Germany
Prior art keywords
surface treatment
rotatable axis
liquid compressor
compressor
liquid
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.)
Expired - Fee Related
Application number
DE1991609145
Other languages
German (de)
Other versions
DE69109145D1 (en
Inventor
Izumi Onoda
Kenji Komine
Wataru Ikeda
Akira Morishima
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.)
Toshiba Corp
Toshiba AVE Co Ltd
Original Assignee
Toshiba Corp
Toshiba AVE Co 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
Priority claimed from JP2030591A external-priority patent/JP2542719B2/en
Priority claimed from JP4780290A external-priority patent/JPH03249167A/en
Application filed by Toshiba Corp, Toshiba AVE Co Ltd filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69109145D1 publication Critical patent/DE69109145D1/en
Publication of DE69109145T2 publication Critical patent/DE69109145T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/80—After-treatment
DE1991609145 1990-02-09 1991-02-07 Process for the surface treatment of a rotatable axis in a liquid compressor. Expired - Fee Related DE69109145T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2030591A JP2542719B2 (en) 1990-02-09 1990-02-09 Rotary shaft for compressor and manufacturing method thereof
JP4780290A JPH03249167A (en) 1990-02-28 1990-02-28 Surface treatment for rotating shaft for compressor

Publications (2)

Publication Number Publication Date
DE69109145D1 DE69109145D1 (en) 1995-06-01
DE69109145T2 true DE69109145T2 (en) 1995-08-31

Family

ID=26368973

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1991609145 Expired - Fee Related DE69109145T2 (en) 1990-02-09 1991-02-07 Process for the surface treatment of a rotatable axis in a liquid compressor.

Country Status (2)

Country Link
EP (1) EP0441630B1 (en)
DE (1) DE69109145T2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0694629A3 (en) * 1994-07-27 1998-09-23 Balzers Sa Corrosion and wear resistant substrate, method of manufacture and vacuum processing installation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE742505C (en) * 1941-01-24 1943-12-04 Vormals Skodawerke Ag Process and covering material for the local protection of metal surfaces to be nitrided
US2851387A (en) * 1957-05-08 1958-09-09 Chapman Valve Mfg Co Method of depassifying high chromium steels prior to nitriding
US3397092A (en) * 1964-02-27 1968-08-13 Hooker Chemical Corp Corrosion-resistant coatings
DE2853542A1 (en) * 1978-12-12 1980-06-26 Kodak Ag Surface treatment of steel workpieces - by nitriding and then applying black phosphate coating which is impregnated with lubricant, esp. for mfg. camera components
GB8310102D0 (en) * 1983-04-14 1983-05-18 Lucas Ind Plc Corrosion resistant steel components
JPS60153455A (en) * 1984-01-23 1985-08-12 Nippon Piston Ring Co Ltd Steel piston ring
FR2604188B1 (en) * 1986-09-18 1992-11-27 Framatome Sa STAINLESS STEEL TUBULAR ELEMENT HAVING IMPROVED WEAR RESISTANCE

Also Published As

Publication number Publication date
EP0441630B1 (en) 1995-04-26
EP0441630A1 (en) 1991-08-14
DE69109145D1 (en) 1995-06-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee