CA2558203A1 - Pump with variable stroke piston - Google Patents

Pump with variable stroke piston Download PDF

Info

Publication number
CA2558203A1
CA2558203A1 CA002558203A CA2558203A CA2558203A1 CA 2558203 A1 CA2558203 A1 CA 2558203A1 CA 002558203 A CA002558203 A CA 002558203A CA 2558203 A CA2558203 A CA 2558203A CA 2558203 A1 CA2558203 A1 CA 2558203A1
Authority
CA
Canada
Prior art keywords
piston
spring
chamber
driver
liquid
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.)
Abandoned
Application number
CA002558203A
Other languages
English (en)
French (fr)
Inventor
Brian D. Holt
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.)
Campbell Hausfeld LLC
Original Assignee
Campbell Hausfeld Scott Fetzer Co
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 Campbell Hausfeld Scott Fetzer Co filed Critical Campbell Hausfeld Scott Fetzer Co
Publication of CA2558203A1 publication Critical patent/CA2558203A1/en
Abandoned 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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/12—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members
    • F04B49/121—Lost-motion device in the driving mechanism

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CA002558203A 2006-04-27 2006-08-30 Pump with variable stroke piston Abandoned CA2558203A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/412,510 2006-04-27
US11/412,510 US20070253849A1 (en) 2006-04-27 2006-04-27 Pump with variable stroke piston

Publications (1)

Publication Number Publication Date
CA2558203A1 true CA2558203A1 (en) 2007-10-27

Family

ID=38621113

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002558203A Abandoned CA2558203A1 (en) 2006-04-27 2006-08-30 Pump with variable stroke piston

Country Status (5)

Country Link
US (1) US20070253849A1 (zh)
CN (1) CN101165344A (zh)
CA (1) CA2558203A1 (zh)
MX (1) MXPA06013342A (zh)
TW (1) TW200741102A (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9388696B2 (en) 2010-05-19 2016-07-12 Graco Minnesota Inc. Removable shim clip for adjustable piston pump
CN103557134B (zh) * 2013-11-05 2016-07-13 杨庆祝 抽油井无能耗注液泵
CA2961090A1 (en) 2016-04-11 2017-10-11 Tti (Macao Commercial Offshore) Limited Modular garage door opener
CA2961221A1 (en) 2016-04-11 2017-10-11 Tti (Macao Commercial Offshore) Limited Modular garage door opener
CN107165798B (zh) * 2017-07-20 2020-08-07 东营市海天石油科技有限责任公司 油井加药泵
CN112523728B (zh) * 2021-02-09 2021-04-27 山东鼎点环保科技有限公司 一种套管气回收装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US912502A (en) * 1907-12-21 1909-02-16 Charles E Squires Fluid-pressure-cushioning device.
US1154798A (en) * 1912-07-29 1915-09-28 Charles Otis Palmer Governor for air-compressors.
US2914240A (en) * 1955-04-07 1959-11-24 Bendix Westinghouse Automotive Air compressor
US3168045A (en) * 1961-09-13 1965-02-02 Sebastiani Martin Pump for thick materials
US3142318A (en) * 1962-12-18 1964-07-28 Mercier Jean Piston accumulator
NL139803B (nl) * 1963-10-25 1973-09-17 Philips Nv Inrichting voor het comprimeren respectievelijk expanderen van een medium voorzien van een regelinrichting voor het regelen van de grootte van het schadelijke volume.
US3672402A (en) * 1970-09-14 1972-06-27 Eaton Yale & Towne Automatic precharge adjuster
US3965875A (en) * 1973-07-02 1976-06-29 Cummins Engine Company, Inc. Fuel injection system for diesel engines
US4551077A (en) * 1984-03-22 1985-11-05 Butterworth Inc. High pressure pump
US4765251A (en) * 1984-07-23 1988-08-23 Kaser Associates, Inc. Railway car truck with multiple effective spring rates
DE8522888U1 (de) * 1985-08-08 1985-10-10 Fichtel & Sachs Ag, 8720 Schweinfurt Progressive Druckfeder in Kupplungsscheiben
US4621566A (en) * 1985-09-11 1986-11-11 Liquid Level Lectronics, Inc. Electric pump
US4907622A (en) * 1987-07-10 1990-03-13 Spectrum Associates, Inc. Fluid reservoir device
US4854541A (en) * 1988-08-08 1989-08-08 Iowa State University Research Foundation, Inc. Power line support
US5244351A (en) * 1992-09-30 1993-09-14 Textron Inc. System for protecting a liquid pump
US6336626B1 (en) * 1999-07-19 2002-01-08 Moonraker Farm, Inc. Stirrup suspension
US6352018B1 (en) * 2000-04-20 2002-03-05 Spicer Technology, Inc. Hydraulic actuator assembly with integral damper/accumulator
KR100379478B1 (ko) * 2000-10-13 2003-04-10 엘지전자 주식회사 왕복동형 압축기

Also Published As

Publication number Publication date
MXPA06013342A (es) 2008-10-15
CN101165344A (zh) 2008-04-23
TW200741102A (en) 2007-11-01
US20070253849A1 (en) 2007-11-01

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued