FR2141402A1 - - Google Patents

Info

Publication number
FR2141402A1
FR2141402A1 FR7119699A FR7119699A FR2141402A1 FR 2141402 A1 FR2141402 A1 FR 2141402A1 FR 7119699 A FR7119699 A FR 7119699A FR 7119699 A FR7119699 A FR 7119699A FR 2141402 A1 FR2141402 A1 FR 2141402A1
Authority
FR
France
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
FR7119699A
Other languages
French (fr)
Other versions
FR2141402B1 (de
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR717119699A priority Critical patent/FR2141402B1/fr
Priority to FR7132376A priority patent/FR2153129B2/fr
Priority to BE783710A priority patent/BE783710A/xx
Priority to DE2225327A priority patent/DE2225327C3/de
Priority to US00257247A priority patent/US3802809A/en
Priority to AT463972A priority patent/AT316721B/de
Priority to GB2527872A priority patent/GB1367986A/en
Priority to ZA723725A priority patent/ZA723725B/xx
Priority to IT68722/72A priority patent/IT959019B/it
Priority to CA143,801A priority patent/CA968766A/en
Priority to CH807272A priority patent/CH553333A/fr
Priority to NL727207406A priority patent/NL151776B/xx
Publication of FR2141402A1 publication Critical patent/FR2141402A1/fr
Application granted granted Critical
Publication of FR2141402B1 publication Critical patent/FR2141402B1/fr
Expired 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
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/025—Lubrication; Lubricant separation using a lubricant pump
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR717119699A 1971-06-01 1971-06-01 Expired FR2141402B1 (de)

Priority Applications (12)

Application Number Priority Date Filing Date Title
FR717119699A FR2141402B1 (de) 1971-06-01 1971-06-01
FR7132376A FR2153129B2 (de) 1971-06-01 1971-09-08
BE783710A BE783710A (fr) 1971-06-01 1972-05-19 Perfectionnements aux pompes a vide integralement seches et etanches
DE2225327A DE2225327C3 (de) 1971-06-01 1972-05-25 Vakuumpumpe mit Spiralrotationskolben
US00257247A US3802809A (en) 1971-06-01 1972-05-26 Completely dry and fluid-tight vacuum pumps
AT463972A AT316721B (de) 1971-06-01 1972-05-29 Vakuumpume
GB2527872A GB1367986A (en) 1971-06-01 1972-05-30 Vacuum pumps
ZA723725A ZA723725B (en) 1971-06-01 1972-05-30 Improvements in completely dry and fluid-tight vacuum pumps
IT68722/72A IT959019B (it) 1971-06-01 1972-05-30 Pompa a vuoto funzionante a secco
CA143,801A CA968766A (en) 1971-06-01 1972-05-31 Positive displacement spiral vacuum pump
CH807272A CH553333A (fr) 1971-06-01 1972-05-31 Pompe a vide integralement seche et etanche.
NL727207406A NL151776B (nl) 1971-06-01 1972-06-01 Vacuuempomp.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR717119699A FR2141402B1 (de) 1971-06-01 1971-06-01

Publications (2)

Publication Number Publication Date
FR2141402A1 true FR2141402A1 (de) 1973-01-26
FR2141402B1 FR2141402B1 (de) 1973-06-29

Family

ID=9077887

Family Applications (1)

Application Number Title Priority Date Filing Date
FR717119699A Expired FR2141402B1 (de) 1971-06-01 1971-06-01

Country Status (2)

Country Link
FR (1) FR2141402B1 (de)
ZA (1) ZA723725B (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2329873A1 (fr) * 1975-11-03 1977-05-27 Little Inc A Appareil volumetrique a volutes refroidies
FR2567970A1 (fr) * 1984-07-23 1986-01-24 Normetex Pompe a vide integralement seche et etanche a mouvement rectiligne de compression alternative
US6027317A (en) * 1997-06-05 2000-02-22 Alcatel Scroll type machine
US6050793A (en) * 1997-06-05 2000-04-18 Alcatel Scroll type fluid displacement machine
CN109386463A (zh) * 2018-12-06 2019-02-26 珠海格力节能环保制冷技术研究中心有限公司 压缩机
CN111878404A (zh) * 2020-08-12 2020-11-03 东莞市容邦尚电子科技有限公司 一种无油涡旋空压机冷却结构、系统及无油涡旋空压机

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2329873A1 (fr) * 1975-11-03 1977-05-27 Little Inc A Appareil volumetrique a volutes refroidies
FR2567970A1 (fr) * 1984-07-23 1986-01-24 Normetex Pompe a vide integralement seche et etanche a mouvement rectiligne de compression alternative
EP0173601A1 (de) * 1984-07-23 1986-03-05 Normetex Ganz trockene und isolierte Vakuumpumpe mit geradliniger Bewegung zum Bekommen einer alternierenden Kompression
US4718836A (en) * 1984-07-23 1988-01-12 Normetex Reciprocating completely sealed fluid-tight vacuum pump
US6027317A (en) * 1997-06-05 2000-02-22 Alcatel Scroll type machine
US6050793A (en) * 1997-06-05 2000-04-18 Alcatel Scroll type fluid displacement machine
CN109386463A (zh) * 2018-12-06 2019-02-26 珠海格力节能环保制冷技术研究中心有限公司 压缩机
CN111878404A (zh) * 2020-08-12 2020-11-03 东莞市容邦尚电子科技有限公司 一种无油涡旋空压机冷却结构、系统及无油涡旋空压机

Also Published As

Publication number Publication date
ZA723725B (en) 1973-03-28
FR2141402B1 (de) 1973-06-29

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TP Transmission of property
CL Concession to grant licences
TP Transmission of property
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