US402702A - Safety-valve - Google Patents

Safety-valve Download PDF

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Publication number
US402702A
US402702A US402702DA US402702A US 402702 A US402702 A US 402702A US 402702D A US402702D A US 402702DA US 402702 A US402702 A US 402702A
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US
United States
Prior art keywords
safety
valve
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Expired - Lifetime
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Publication date
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Publication of US402702A publication Critical patent/US402702A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/06Safety 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/02Check valves with guided rigid valve members
    • F16K15/06Check valves with guided rigid valve members with guided stems
    • F16K15/063Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7837Direct response valves [i.e., check valve type]
    • Y10T137/7878With bias adjustment indicator
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7837Direct response valves [i.e., check valve type]
    • Y10T137/7904Reciprocating valves
    • Y10T137/7922Spring biased
    • Y10T137/7929Spring coaxial with valve
US402702D Safety-valve Expired - Lifetime US402702A (en)

Publications (1)

Publication Number Publication Date
US402702A true US402702A (en) 1889-05-07

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US402702D Expired - Lifetime US402702A (en) Safety-valve

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2908288A (en) * 1955-04-13 1959-10-13 Crane Co Calibrated relief valve
US20040053659A1 (en) * 2002-09-12 2004-03-18 Markus Rothkranz Gaming device having slidable indicator disks
US20050037835A1 (en) * 2003-08-14 2005-02-17 Dennis Nordman Gaming device having display with interacting multiple rotating members and indicator
US20050054422A1 (en) * 2003-09-09 2005-03-10 Markus Rothkranz Gaming device having multiple award reels and moving indicator
US20060073872A1 (en) * 2004-09-29 2006-04-06 B-Jensen Janna D Gaming device having selectable awards on a moving mechanical display

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2908288A (en) * 1955-04-13 1959-10-13 Crane Co Calibrated relief valve
US20040053659A1 (en) * 2002-09-12 2004-03-18 Markus Rothkranz Gaming device having slidable indicator disks
US20050037835A1 (en) * 2003-08-14 2005-02-17 Dennis Nordman Gaming device having display with interacting multiple rotating members and indicator
US20050054422A1 (en) * 2003-09-09 2005-03-10 Markus Rothkranz Gaming device having multiple award reels and moving indicator
US20060073872A1 (en) * 2004-09-29 2006-04-06 B-Jensen Janna D Gaming device having selectable awards on a moving mechanical display

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