NL7114068A - - Google Patents

Info

Publication number
NL7114068A
NL7114068A NL7114068A NL7114068A NL7114068A NL 7114068 A NL7114068 A NL 7114068A NL 7114068 A NL7114068 A NL 7114068A NL 7114068 A NL7114068 A NL 7114068A NL 7114068 A NL7114068 A NL 7114068A
Authority
NL
Netherlands
Application number
NL7114068A
Inventor
H W Westwood
Original Assignee
Darenth Weighing Equipment 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
Application filed by Darenth Weighing Equipment Ltd filed Critical Darenth Weighing Equipment Ltd
Publication of NL7114068A publication Critical patent/NL7114068A/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B5/00—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
    • F16K17/065—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure with differential piston
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2278—Pressure modulating relays or followers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/785—With retarder or dashpot
    • Y10T137/7851—End of valve forms dashpot chamber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/785—With retarder or dashpot
    • Y10T137/7852—End of valve moves inside dashpot chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Motor Or Generator Frames (AREA)
  • Vibration Prevention Devices (AREA)
  • Fluid-Damping Devices (AREA)
NL7114068A 1970-10-15 1971-10-13 NL7114068A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4909370 1970-10-15

Publications (1)

Publication Number Publication Date
NL7114068A true NL7114068A (it) 1972-04-18

Family

ID=10451120

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7114068A NL7114068A (it) 1970-10-15 1971-10-13

Country Status (11)

Country Link
US (1) US3789873A (it)
AU (1) AU467334B2 (it)
BE (1) BE774015A (it)
CA (1) CA935659A (it)
CH (1) CH551567A (it)
DE (1) DE2150911A1 (it)
FR (1) FR2110442B1 (it)
GB (1) GB1350918A (it)
IT (1) IT939556B (it)
NL (1) NL7114068A (it)
SE (1) SE373923B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3713974A1 (de) * 1987-04-25 1988-11-10 Sempell Rhein Armaturen Federbelastetes sicherheitsventil
JP2762297B2 (ja) * 1989-04-17 1998-06-04 グラム株式会社 体重等測定方法
US5232062A (en) * 1991-10-15 1993-08-03 Tadea Limited Viscous damping apparatus for damping load cells of weighing devices

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US957311A (en) * 1908-11-07 1910-05-10 George M Davis Regulator Company Stop and check valve.
FR411366A (fr) * 1910-01-07 1910-06-15 Ets De Dion Bouton Soupape automatique avec frein réglable
US1294002A (en) * 1916-03-10 1919-02-11 Bishop Babcock Becker Company Valve.
US1503357A (en) * 1922-04-07 1924-07-29 William B Ensign Governor valve
US2917076A (en) * 1955-09-06 1959-12-15 Abington Textile Mach Works Surge control device and pneumatic systems containing the same
US3108649A (en) * 1960-01-28 1963-10-29 Hamilton Thomas William Weighing machines
US3086550A (en) * 1960-10-28 1963-04-23 Albert K Cummings Slush pump valve with air cushioned valve head
US3130746A (en) * 1962-05-15 1964-04-28 Charles G Viner Bi-directional check valves
US3180453A (en) * 1963-08-16 1965-04-27 Kayaba Industry Co Ltd Valve device of an oil damper for suspension of a wheel of a vehicle
CH492961A (de) * 1969-02-28 1970-06-30 Wirth Gallo & Co Elektrischer Massen- oder Kraftmesser

Also Published As

Publication number Publication date
BE774015A (fr) 1972-04-17
FR2110442B1 (it) 1976-07-23
SE373923B (it) 1975-02-17
CA935659A (en) 1973-10-23
IT939556B (it) 1973-02-10
GB1350918A (en) 1974-04-24
US3789873A (en) 1974-02-05
DE2150911A1 (de) 1972-04-20
AU467334B2 (en) 1975-11-27
FR2110442A1 (it) 1972-06-02
AU3686871A (en) 1973-06-21
CH551567A (fr) 1974-07-15

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BV The patent application has lapsed