ITTO940809A0 - Pompa a vuoto rotativa, con organi di otturazione sferici - Google Patents

Pompa a vuoto rotativa, con organi di otturazione sferici

Info

Publication number
ITTO940809A0
ITTO940809A0 ITTO940809A ITTO940809A ITTO940809A0 IT TO940809 A0 ITTO940809 A0 IT TO940809A0 IT TO940809 A ITTO940809 A IT TO940809A IT TO940809 A ITTO940809 A IT TO940809A IT TO940809 A0 ITTO940809 A0 IT TO940809A0
Authority
IT
Italy
Prior art keywords
vacuum pump
sealing parts
rotary vacuum
spherical sealing
spherical
Prior art date
Application number
ITTO940809A
Other languages
English (en)
Inventor
Alberto Torazzi
Alberto Bonomi
Original Assignee
Alliedsignal Automotive It Spa
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 Alliedsignal Automotive It Spa filed Critical Alliedsignal Automotive It Spa
Priority to IT94TO000809D priority Critical patent/IT1268115B1/it
Priority to ITTO940809A priority patent/ITTO940809A0/it
Publication of ITTO940809A0 publication Critical patent/ITTO940809A0/it

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
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F04C18/3445—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the vanes having the form of rollers, slippers or the like
ITTO940809A 1994-10-11 1994-10-11 Pompa a vuoto rotativa, con organi di otturazione sferici ITTO940809A0 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT94TO000809D IT1268115B1 (it) 1994-10-11 1994-10-11 Pompa a vuoto rotativa, con organi di otturazione sferici
ITTO940809A ITTO940809A0 (it) 1994-10-11 1994-10-11 Pompa a vuoto rotativa, con organi di otturazione sferici

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO940809A ITTO940809A0 (it) 1994-10-11 1994-10-11 Pompa a vuoto rotativa, con organi di otturazione sferici

Publications (1)

Publication Number Publication Date
ITTO940809A0 true ITTO940809A0 (it) 1994-10-11

Family

ID=11412827

Family Applications (2)

Application Number Title Priority Date Filing Date
IT94TO000809D IT1268115B1 (it) 1994-10-11 1994-10-11 Pompa a vuoto rotativa, con organi di otturazione sferici
ITTO940809A ITTO940809A0 (it) 1994-10-11 1994-10-11 Pompa a vuoto rotativa, con organi di otturazione sferici

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT94TO000809D IT1268115B1 (it) 1994-10-11 1994-10-11 Pompa a vuoto rotativa, con organi di otturazione sferici

Country Status (1)

Country Link
IT (2) IT1268115B1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2639125A1 (en) * 2012-03-14 2013-09-18 Pierburg Pump Technology GmbH Automotive vacuum pump
CN111794966A (zh) * 2020-06-29 2020-10-20 珠海格力电器股份有限公司 泵体组件、压缩机和空调器

Also Published As

Publication number Publication date
IT1268115B1 (it) 1997-02-20
ITTO940809A1 (it) 1996-04-11

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Legal Events

Date Code Title Description
0001 Granted