US115982A - Improvement in combined pressure and vacuum valves - Google Patents

Improvement in combined pressure and vacuum valves Download PDF

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US115982A
US115982A US115982DA US115982A US 115982 A US115982 A US 115982A US 115982D A US115982D A US 115982DA US 115982 A US115982 A US 115982A
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improvement
valve
vacuum valves
combined pressure
vacuum
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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
    • F16K17/18Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
    • F16K17/19Equalising valves predominantly for tanks
    • F16K17/196Equalising valves predominantly for tanks spring-loaded
    • 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
    • Y10T137/7771Bi-directional flow valves
    • Y10T137/7772One head and seat carried by head of another
    • Y10T137/7774Supporting valve spring carried by supporting valve
    • Y10T137/7775Spring stop on supported valve stem
    • 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
    • Y10T137/7771Bi-directional flow valves
    • Y10T137/7772One head and seat carried by head of another
    • Y10T137/7777Both valves spring biased

Description

JOHN PORTEOUS.

Improvement in CombinedPressure and Vacuum Valves.

N ..115,982. Patented'June13,1871.

Fig.1.

5 1 "Hull!!!" Aid: a 2 1; 472:; 5

UNITED STATES JOHN PORTEOUS, OF-OINOINNATI, OHIO.

IMPROVEMENT IN COMBINED PRESSURE AND VACUUM VALVES Specification forming part of Letters Patent No.7115,982, dated June 13, 1871.

I, J onN PoR'rEoUs, of Cincinnati, Hamilton county, State of- Ohio, have invented a new and useful Pressure and Vacuum Cock or Safety-Valve, of which the following is a specification:

Nature and Objeetsof the Invention.

The subject of this invention is a safety device or appendage for steam-generators, and especially for the form of them known as kitchen-boilers; and comprises an outlet-valve which is held to its seat by a spiral spring, ad-

General Description with Reference to the Drawing.

- Figure 1 is an axial section of a safety valve embodying my invention. Fig. 2 is a trans- 7 verse section at the line X X.

A is a hollow plug or barrel, adapted to be screwed into the vessel or generator at its screw-threaded portion'a. A suitable distance from its point of insertion the barrel A is enlarged interior-1y to form a seat, B, and chamber O, for an outlet or pressure valve, D, which valve is confined to its seat with any desired force by means of a spiral spring, E, whose stress is increased or diminished by the screwing inward or outward of a tubularfollower, F, confined by a cap, G, which screws onto the outside of the barrel. A ring or gland, H, and the cap Gr constitute a stuffing-box. A.

nozzle, I, which opens from the side of the barrel, permits the escape of steam or water, as the case may be. Wings J serve to guide the valve D to an atrial path in opening and closing. The valve D is hollow, and terminates below in a flaring opening to form a seat for an inlet or vacuum valve, K, that is held to its closed position by a small spring, L, that bears against the interior extremity of the valve D at one end, and at the other end bears against a nut or follower, M, that is screwed down upon the valve-stem 70 until the desired stress of spring is obtained. Orifices d in the side of the valvestem d permit the free passage of air to the interior of said stem.

Claim.

I claim herein as new and of my inventionf

US115982D Improvement in combined pressure and vacuum valves Expired - Lifetime US115982A (en)

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US115982A true US115982A (en) 1871-06-13

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3057236A (en) * 1956-01-07 1962-10-09 Rohm Gunter Horst Live center
US4210170A (en) * 1978-02-17 1980-07-01 General Signal Corporation Anti-cavitation and overload relief valve for a hydraulic system
US20030150492A1 (en) * 2002-02-14 2003-08-14 Nifco Inc. Two-way valve
US20050028869A1 (en) * 2003-08-04 2005-02-10 Roth Robert A. Combination valve for fuel system
US7066199B1 (en) * 2002-04-03 2006-06-27 Hydro-Gear Limited Partnership Valve assembly
US7320334B1 (en) 2002-04-03 2008-01-22 Hydro-Gear Limited Partnership Valve Assembly
US7451780B1 (en) 2005-05-16 2008-11-18 Hydro-Gear Limited Partnership Multifunction valve for use in a hydraulic component
US20120055943A1 (en) * 2010-09-03 2012-03-08 A. Kayser Automotive Systems Gmbh Ventilation Arrangement For A Fuel Tank
US20130112290A1 (en) * 2011-09-24 2013-05-09 A. Kayser Automotive Systems Gmbh Ventilation Arrangement For A Fuel Tank

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3057236A (en) * 1956-01-07 1962-10-09 Rohm Gunter Horst Live center
US4210170A (en) * 1978-02-17 1980-07-01 General Signal Corporation Anti-cavitation and overload relief valve for a hydraulic system
US4300591A (en) * 1978-02-17 1981-11-17 General Signal Corporation Anti-cavitation and overload relief valve for a hydraulic system
US20030150492A1 (en) * 2002-02-14 2003-08-14 Nifco Inc. Two-way valve
US6929025B2 (en) * 2002-02-14 2005-08-16 Nifco Inc. Two-way valve
US7066199B1 (en) * 2002-04-03 2006-06-27 Hydro-Gear Limited Partnership Valve assembly
US7320334B1 (en) 2002-04-03 2008-01-22 Hydro-Gear Limited Partnership Valve Assembly
US7086388B2 (en) * 2003-08-04 2006-08-08 Delphi Technologies, Inc. Combination valve for fuel system
US20050028869A1 (en) * 2003-08-04 2005-02-10 Roth Robert A. Combination valve for fuel system
US7451780B1 (en) 2005-05-16 2008-11-18 Hydro-Gear Limited Partnership Multifunction valve for use in a hydraulic component
US20120055943A1 (en) * 2010-09-03 2012-03-08 A. Kayser Automotive Systems Gmbh Ventilation Arrangement For A Fuel Tank
CN102529696A (en) * 2010-09-03 2012-07-04 A.凯塞汽车系统有限公司 Ventilation arrangement for a fuel tank
US8789557B2 (en) * 2010-09-03 2014-07-29 A. Kayser Automotive Systems Gmbh Ventilation arrangement for a fuel tank
CN102529696B (en) * 2010-09-03 2017-03-01 A.凯塞汽车系统有限公司 Ventilation unit for fuel tank
US20130112290A1 (en) * 2011-09-24 2013-05-09 A. Kayser Automotive Systems Gmbh Ventilation Arrangement For A Fuel Tank
US9027590B2 (en) * 2011-09-24 2015-05-12 A. Kayser Automotive Systems Gmbh Ventilation arrangement for a fuel tank

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