GB2325457B - Fluid flow proportioning device - Google Patents

Fluid flow proportioning device

Info

Publication number
GB2325457B
GB2325457B GB9804077A GB9804077A GB2325457B GB 2325457 B GB2325457 B GB 2325457B GB 9804077 A GB9804077 A GB 9804077A GB 9804077 A GB9804077 A GB 9804077A GB 2325457 B GB2325457 B GB 2325457B
Authority
GB
United Kingdom
Prior art keywords
fluid flow
proportioning device
flow proportioning
fluid
proportioning
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
GB9804077A
Other versions
GB9804077D0 (en
GB2325457A (en
Inventor
David Mark Needham
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
Publication of GB9804077D0 publication Critical patent/GB9804077D0/en
Publication of GB2325457A publication Critical patent/GB2325457A/en
Application granted granted Critical
Publication of GB2325457B publication Critical patent/GB2325457B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/003—Control of flow ratio using interconnected flow control elements
GB9804077A 1997-03-03 1998-02-27 Fluid flow proportioning device Expired - Fee Related GB2325457B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9704397.0A GB9704397D0 (en) 1997-03-03 1997-03-03 Fluid flow proportioning device

Publications (3)

Publication Number Publication Date
GB9804077D0 GB9804077D0 (en) 1998-04-22
GB2325457A GB2325457A (en) 1998-11-25
GB2325457B true GB2325457B (en) 2000-08-02

Family

ID=10808633

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9704397.0A Pending GB9704397D0 (en) 1997-03-03 1997-03-03 Fluid flow proportioning device
GB9804077A Expired - Fee Related GB2325457B (en) 1997-03-03 1998-02-27 Fluid flow proportioning device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9704397.0A Pending GB9704397D0 (en) 1997-03-03 1997-03-03 Fluid flow proportioning device

Country Status (1)

Country Link
GB (2) GB9704397D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0004949D0 (en) 2000-03-02 2000-04-19 Needham David M Fluid flow proportioning device
GB2403298A (en) * 2003-06-23 2004-12-29 David Mark Needham A fluid flow meter using spool valves

Also Published As

Publication number Publication date
GB9804077D0 (en) 1998-04-22
GB9704397D0 (en) 1997-04-23
GB2325457A (en) 1998-11-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060227