FR2308810B1 - - Google Patents

Info

Publication number
FR2308810B1
FR2308810B1 FR7611890A FR7611890A FR2308810B1 FR 2308810 B1 FR2308810 B1 FR 2308810B1 FR 7611890 A FR7611890 A FR 7611890A FR 7611890 A FR7611890 A FR 7611890A FR 2308810 B1 FR2308810 B1 FR 2308810B1
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.)
Expired
Application number
FR7611890A
Other languages
French (fr)
Other versions
FR2308810A1 (fr
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.)
KUEHLAUTOMAT VEB
Original Assignee
KUEHLAUTOMAT VEB
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 KUEHLAUTOMAT VEB filed Critical KUEHLAUTOMAT VEB
Publication of FR2308810A1 publication Critical patent/FR2308810A1/fr
Application granted granted Critical
Publication of FR2308810B1 publication Critical patent/FR2308810B1/fr
Granted 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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/10—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
    • F04C28/12—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves
    • F04C28/125—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves with sliding valves controlled by the use of fluid other than the working fluid
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
FR7611890A 1975-04-23 1976-04-22 Compresseur a rotors helicoidaux a regulation de puissance Granted FR2308810A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD18563875A DD119069A1 (enExample) 1975-04-23 1975-04-23

Publications (2)

Publication Number Publication Date
FR2308810A1 FR2308810A1 (fr) 1976-11-19
FR2308810B1 true FR2308810B1 (enExample) 1982-03-05

Family

ID=5500060

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7611890A Granted FR2308810A1 (fr) 1975-04-23 1976-04-22 Compresseur a rotors helicoidaux a regulation de puissance

Country Status (9)

Country Link
CS (1) CS189213B1 (enExample)
DD (1) DD119069A1 (enExample)
DE (1) DE2604590A1 (enExample)
DK (1) DK140644B (enExample)
FR (1) FR2308810A1 (enExample)
GB (1) GB1526142A (enExample)
NL (1) NL7601850A (enExample)
PL (1) PL108453B2 (enExample)
SE (1) SE7604660L (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116576108B (zh) * 2023-04-04 2025-10-14 上海昕锴科技有限公司 一种螺杆式制冷压缩机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2266820A (en) * 1938-07-13 1941-12-23 Frank E Smith Engine
US2287716A (en) * 1941-04-22 1942-06-23 Joseph E Whitfield Fluid device
CH326295A (fr) * 1949-01-31 1957-12-15 Dresser Ind Machine volumétrique rotative
FR1258650A (fr) * 1960-06-01 1961-04-14 Svenska Rotor Maskiner Ab Curseurs à déplacement axial pour machines à rotors hélicoïdaux
NO117317B (enExample) * 1964-03-20 1969-07-28 Svenska Rotor Maskiner Ab

Also Published As

Publication number Publication date
PL108453B2 (en) 1980-04-30
CS189213B1 (en) 1979-04-30
DE2604590A1 (de) 1976-11-04
GB1526142A (en) 1978-09-27
FR2308810A1 (fr) 1976-11-19
SE7604660L (sv) 1976-10-24
NL7601850A (nl) 1976-10-26
DK140644C (enExample) 1980-04-08
DK154376A (enExample) 1976-10-24
DD119069A1 (enExample) 1976-04-05
DK140644B (da) 1979-10-15

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Legal Events

Date Code Title Description
ST Notification of lapse