BR0103464A - Mecanismo de controle de deslocamento para compressor de deslocamento variável - Google Patents

Mecanismo de controle de deslocamento para compressor de deslocamento variável

Info

Publication number
BR0103464A
BR0103464A BR0103464-2A BR0103464A BR0103464A BR 0103464 A BR0103464 A BR 0103464A BR 0103464 A BR0103464 A BR 0103464A BR 0103464 A BR0103464 A BR 0103464A
Authority
BR
Brazil
Prior art keywords
pressure
compressor
displacement
control mechanism
valve
Prior art date
Application number
BR0103464-2A
Other languages
English (en)
Inventor
Kazuya Kimura
Taku Adaniya
Satoshi Umemura
Izuru Shimizu
Kazuhiko Minami
Original Assignee
Toyoda Automatic Loom Works
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 Toyoda Automatic Loom Works filed Critical Toyoda Automatic Loom Works
Publication of BR0103464A publication Critical patent/BR0103464A/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/14—Control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F04B2027/1809—Controlled pressure
    • F04B2027/1813—Crankcase pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F04B2027/1822—Valve-controlled fluid connection
    • F04B2027/1827—Valve-controlled fluid connection between crankcase and discharge chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F04B2027/1863—Controlled by crankcase pressure with an auxiliary valve, controlled by
    • F04B2027/1872—Discharge pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

"MECANISMO DE CONTROLE DE DESLOCAMENTO PARA COMPRESSOR DE DESLOCAMENTO VARIáVEL". Um mecanismo de controle de deslocamento usado num compressor é instalado em um circuito refrigerante. O compressor possui uma passagem de sangria (27) e uma passagem de alimentação (28). O mecanismo de controle de deslocamento inclui uma primeira válvula de controle (CV1) e uma segunda válvula de controle (CV2). A primeira válvula de controle (CV1) inclui um primeiro corpo de válvula (41) e um elemento sensível à pressão (54). O corpo da primeira válvula (41) ajusta o tamanho da abertura da passagem de alimentação (28). O elemento sensível à pressão (54) move-se com a pressão no circuito refrigerante. Uma região de detecção de pressão (K) está localizada adiante do corpo da primeira válvula (41). A segunda válvula de controle (CV2) inclui um segundo corpo de válvula (82). O segundo corpo de válvula (82) ajusta o tamanho da abertura da passagem de sangria (27). O segundo corpo de válvula (82) move-se de acordo com a pressão na região de detecção de pressão (K). Quando a pressão na região de detecção de pressão (K) aumenta, a segunda válvula de controle (CV2) diminui o tamanho da abertura de sangria (27). Isso permite que o compressor dê partida com rápido desempenho de refrigeração.
BR0103464-2A 2000-07-07 2001-07-06 Mecanismo de controle de deslocamento para compressor de deslocamento variável BR0103464A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000206879A JP4081965B2 (ja) 2000-07-07 2000-07-07 容量可変型圧縮機の容量制御機構

Publications (1)

Publication Number Publication Date
BR0103464A true BR0103464A (pt) 2002-02-13

Family

ID=18703734

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0103464-2A BR0103464A (pt) 2000-07-07 2001-07-06 Mecanismo de controle de deslocamento para compressor de deslocamento variável

Country Status (7)

Country Link
US (1) US6517323B2 (pt)
EP (1) EP1172559B1 (pt)
JP (1) JP4081965B2 (pt)
KR (1) KR100392121B1 (pt)
CN (1) CN1157535C (pt)
BR (1) BR0103464A (pt)
DE (1) DE60108009T2 (pt)

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EP1172559A3 (en) 2003-11-19
CN1157535C (zh) 2004-07-14
JP2002021721A (ja) 2002-01-23
KR20020005405A (ko) 2002-01-17
CN1333430A (zh) 2002-01-30
DE60108009T2 (de) 2005-12-15
US6517323B2 (en) 2003-02-11
EP1172559B1 (en) 2004-12-29
KR100392121B1 (ko) 2003-07-22
JP4081965B2 (ja) 2008-04-30
US20020006337A1 (en) 2002-01-17
DE60108009D1 (de) 2005-02-03

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