CA1338322C - Dispositif pour le pompage d'un fluide vers et depuis une chambre a soupape - Google Patents

Dispositif pour le pompage d'un fluide vers et depuis une chambre a soupape

Info

Publication number
CA1338322C
CA1338322C CA000616863A CA616863A CA1338322C CA 1338322 C CA1338322 C CA 1338322C CA 000616863 A CA000616863 A CA 000616863A CA 616863 A CA616863 A CA 616863A CA 1338322 C CA1338322 C CA 1338322C
Authority
CA
Canada
Prior art keywords
valve
chamber
fluid
pressure
action
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
CA000616863A
Other languages
English (en)
Inventor
Yoshinobu Koiwa
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.)
Little Rock KK
Kelbin Co Ltd
Original Assignee
Little Rock KK
Kelbin 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 JP63068882A external-priority patent/JP2557250B2/ja
Priority claimed from JP63077076A external-priority patent/JP2632540B2/ja
Priority claimed from JP63103232A external-priority patent/JPH07113426B2/ja
Priority claimed from CA000594378A external-priority patent/CA1338102C/fr
Application filed by Little Rock KK, Kelbin Co Ltd filed Critical Little Rock KK
Application granted granted Critical
Publication of CA1338322C publication Critical patent/CA1338322C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Details Of Reciprocating Pumps (AREA)
CA000616863A 1988-03-23 1994-05-17 Dispositif pour le pompage d'un fluide vers et depuis une chambre a soupape Expired - Fee Related CA1338322C (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP63068882A JP2557250B2 (ja) 1988-03-23 1988-03-23 流体圧送装置
JP68,882/1988 1988-03-23
JP63077076A JP2632540B2 (ja) 1988-03-30 1988-03-30 流体圧送装置
JP77,076/1988 1988-03-30
JP103,232/1988 1988-04-26
JP63103232A JPH07113426B2 (ja) 1988-04-26 1988-04-26 バルブ装置
CA000594378A CA1338102C (fr) 1988-03-23 1989-03-21 Pompe pour fluides et valve

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA000594378A Division CA1338102C (fr) 1988-03-23 1989-03-21 Pompe pour fluides et valve

Publications (1)

Publication Number Publication Date
CA1338322C true CA1338322C (fr) 1996-05-14

Family

ID=27426647

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000616863A Expired - Fee Related CA1338322C (fr) 1988-03-23 1994-05-17 Dispositif pour le pompage d'un fluide vers et depuis une chambre a soupape

Country Status (1)

Country Link
CA (1) CA1338322C (fr)

Similar Documents

Publication Publication Date Title
US5035261A (en) Pump and valve apparatus
US4387736A (en) Fluid control apparatus
CA1338102C (fr) Pompe pour fluides et valve
US2764097A (en) Pump
US3386388A (en) Hydraulically actuated pump
JPS5872684A (ja) 容積形ポンプ
CA1338322C (fr) Dispositif pour le pompage d'un fluide vers et depuis une chambre a soupape
JPH01275974A (ja) バルブ装置
SE430528B (sv) Dubbelverkande differentialkolvpump
US5769614A (en) High pressure pump
US4397614A (en) Unbalanced spool
US4313464A (en) Fluid control apparatus
JP2632540B2 (ja) 流体圧送装置
US181168A (en) Improvement in pump-valves
US4906167A (en) Inherently flushing piston rod for a reciprocating pump
CA1326433C (fr) Dispositif de soupape
USRE31480E (en) Fluid control apparatus
US5054510A (en) Selective valve to pass fluids
JP2557250B2 (ja) 流体圧送装置
JP2654818B2 (ja) 流体圧送装置
CN117738869A (zh) 一种粘性液体的抽胶泵装置
JP2671055B2 (ja) 流体圧送装置
US6485272B2 (en) Fluid proportioner
RU2180709C1 (ru) Клапан поршневого насоса
JPH0231082A (ja) 流体圧送装置における摺動体のシール構造

Legal Events

Date Code Title Description
MKLA Lapsed