US1916635A - Fluid flow regulator - Google Patents

Fluid flow regulator Download PDF

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Publication number
US1916635A
US1916635A US58797832A US1916635A US 1916635 A US1916635 A US 1916635A US 58797832 A US58797832 A US 58797832A US 1916635 A US1916635 A US 1916635A
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Grant
Patent type
Prior art keywords
fluid
valve
cup
poppet
housing
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 - Lifetime
Application number
Inventor
Byron J Pepper
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.)
TOKHEIM OIL TANK AND PUMP Co
Original Assignee
Tokheim Oil Tank & Pump 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
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00Control of fluid pressure
    • G05D16/04Control of fluid pressure without auxiliary power
    • G05D16/06Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
    • G05D16/0616Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a bellow
    • G05D16/0619Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a bellow acting directly on the obturator
    • 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
    • Y10T137/7781With separate connected fluid reactor surface
    • Y10T137/7835Valve seating in direction of flow
    • Y10T137/7836Flexible diaphragm or bellows reactor
    • 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
    • Y10T137/8593Systems
    • Y10T137/87917Flow path with serial valves and/or closures

Description

July 4, 1933- B. J. PEPPER FLUID FLOW REGULATOR Filed Jan. 21, 1952 W QW, IN1/Emol@ Patented July 4, 1933 UNITED STATES Iliaaas PATENT OFFICE BYRON J'. PEPPER, OF FORT WAYNE, INDIANA. ASSIGNOR TO TOKHEIM OIL TANK AND PUMP COMPANY, A CORPORATION 0F INDIANA FLUID FLOW REGULATOR Application led January 21, 1932. Serial No. 587,978.

This invention relates to improvements in fluid flow regulators, and an object of the invention is to provide automatic means for controlling the passage of fluid from a source of supply out through the discharge linecon- `nected therewith whereby outflow of fluid from said source takes place only when a definitely predetermined pressure of fluid from the source of supply is reached or eX- ceeded.

A further object is to provide means whereby the outflow of liquid from a source of supply through a discharge line connected therewith is automatically stopped when the pressure of liquid in the discharge line or the head of liquid in the source of supply is reduced to or below a predetermined point, whereby entrance of air into or through the discharge line is prevented.'

Other objects andy advantages of the in' vention will appear hereinafter.

A preferred illustrative embodiment of the invention is shown in the accompanying drawing, in which Fig. 1 is an elevation of a structure in which the invention is embodied, portions `being in section and the valve in closed position.; and

Fig. 2 is a fragmentary similar view showing the valve in open position. y

The illustrative embodiment consists of a housing 1 provided with inlet and outlet chambers 2 and 3 separated by a partition 4 which has a passageway 5 extending therethrough. The housing also has therein a compression chamber l6 the upper end of which is open to afford communication with the inlet chamber 2.

The housing has at the lower end of the compression chamber 6 a head 7 provided with an opening 8 through which the stem 9 of a poppet 1() extends and has guided movement therein, said poppet being disposed within the compression chamber in alinement with the passageway 5 in said partition.

Upon the top of the poppet is disposeda disc l1, and an inverted expansible cup 12 extends over the disc, the opposite end of said cup being provided with an annular external flange 13 that is clamped between the lower end of the housing and the head 7 there being a ring 14 beneath the head and screws 15 for clamping the head and said flange firmly in place.

A dasher consisting of a plate 16 is positioned upon the top of the cup and is shaped to conform approximately with the bore of the compression chamber 6 so as to have axial movement therein. A valve 17 is secured to the poppet l0, its stem 18 extending through the plate 16, top of the cup 12, disc 11, and

into the upper end of the poppet, said stem and poppet having threaded relation. The head of the valve 17 has an opening 19 for insertion therein of a suitable tool for turning of the valve upon its axis whereby the disc 11, upper end of the cup 12, plate 16 and the poppet are conjoined with the valve, and the top of the cup is also thereby sealed.

By securing the expansible cup at its respective ends in the manner above set forth leakage from the compression chamber through the cup out through the opening 8 in the head 7 is prevented.v The cup 12 is of the usual cylindrical bellows type capable of expanding longitudinally under slight force. The cup, when in place, is sheltered from external interference and, as the dasher 16 vhas guided movement in the compression chamber, the cylindrical wall of the cup is held from contact with the surrounding wall of the compression chamber and the valve is held in alinement with the passageway 5.

An open coil spring 20 is disposed within the cup around the poppet and is compressed endwise between the disc 11 and the head 7 so that by expansion of the spring the valve 17 is raised into closed relation with the passageway 5 (Fig. 1). and thus flow of fluid from the inlet chamber 2 through said passageway into the outlet chamber 3 is stopped.

In operation, the housing is connected in any suitable manner, such as by' a pipe 21,

with a reservoir (not shown) or other suit-` able supply of fluid, so that the fluid discharged from the reservoir isconveyed into the inlet chamber 2 of the housing. When pressure is created in the'inlet chamber 2 by fluid received from the reservoir the Huid leaks past the dasher 16 and fills the compression chamber 6 around the cup 12, and

:asl

the cup tends to collapse aXially which is opposed by the spring 20. However, whenv the pressure in the inlet chamber 2 is raised suiiciently'lto overcome the pressure of the spring, the poppet is moved downwardly as the spring and cup are compressed, causing removal of the valve 17 from its seat about the passageway 5, thus opening communication between the inlet and outlet chambers 2 and 3. The amount of pressure required to cause opening of the valve is dependent upon the stiffness of the spring 20, and by selection of springs of proper strength the degree of pressure may be predetermined accordingly as desired. i

The opening and closing action of the valve with respect to its seat is dampened by the resistance of .the fluid in the compression chamber to movement of the dasher 16, whereby sudden closing or chattering of the valve upon its seat are obviated. lin this manner the flow of fluid through the valve housing is accomplished without ramming being occasioned through action of the valve.

In Fig. 1 is shown a faucet 22 arranged,

to have communication with the outlet cham- ,ber 3, which, when closed, prevents flow of fluid through the housing. rlhe faucet is illustrative of a hand operated means of regulating the final discharge of fluid from the reservoir or other suitable source through the valve body andv discharge line 21. In practice, itmay be desired to interpose between `the faucet and the valve body an extension pipe or hose (not shown) to permit delivery of the liquid passing through the discharge line to a point mo-re or less remote from the source of supply. Also, in practice it is in 'some instances desirable to account for the amount of liquid delivered through the discharge line,'and in such instances the amount of liquid as delivered may` readily be ascertained by coupling in the discharge line, either between the housing and the reservoir, or ,between the housing and the faucet, a suitable flow meter (not shown) such as is in common use. f

When the faucet is closed and flow through the housing is thereby prevented, and the pressure in the inlet 'chamber of fluid supplied from the reservoir or other source exceeds the predetermined point, the valve is moved to open position because of the exer. tion of the pressure upon the cup in opposi- 'tion to the spring 20 which thereby a-re depressed. Upon opening the faucet, flow of fluid Ithrough the housing takes place until the pressure of fluid within the inlet chamber becomes reduced to or below the predetermined point, whereupon, the cup and spring expand, causing the lvalve to close upon its seat, and thus stopping flow of fluid through the housing.

Stoppage of the How of liquid through the discharge line before the supply of liquid thereto is exhaust-ed prevents entrance' of air into the discharge line and thus only liquid is delivered through the faucet, and when a flow meter is connected in the discharge line its indicationsY therefore are 'significant only of the quantity of liquid actually passing a poppet disposed in said compression chambei` having a valve thereon for closing said passageway and a stem guided in the aper ture of said head, an expansible cup disposed in said compression chamber closed with respect thereto and operatively associated with said poppet, a dasher disposed in said compression chamber fitting loosely in the bore thereof and conjoined with said poppet, a compression spring operatively associated with the poppet to hold said valve normally in closed position, a connection for supplying fluid to said inlet chamber, and a discharge controlling mea-ns for said outlet chamber.

ln testimony whereof I aix my signature.

BYRON J. PEPPER.

US1916635A 1932-01-21 1932-01-21 Fluid flow regulator Expired - Lifetime US1916635A (en)

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US1916635A US1916635A (en) 1932-01-21 1932-01-21 Fluid flow regulator

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2549273A (en) * 1946-02-02 1951-04-17 Toledo Scale Co Hydraulic weighing scale
US2593848A (en) * 1946-05-29 1952-04-22 Clausen Mads Flap valve automatically guided by a feeling member
US2629399A (en) * 1946-10-16 1953-02-24 Kulick George Safety valve for regulating and testing light pressures
US2654976A (en) * 1949-02-02 1953-10-13 Jorgensen Hans Jorgen Regulating valve for refrigerating installations
US2686532A (en) * 1948-01-29 1954-08-17 Segerstad Carl Gustaf Hard Af Balanced pressure and vacuum regulator
US2960104A (en) * 1955-08-15 1960-11-15 Tokheim Corp Gas separator and eliminator with servo vent valve
US3021866A (en) * 1958-07-28 1962-02-20 Economy Governor Company Safety control system for fluid distribution and apparatus
US3175576A (en) * 1961-11-30 1965-03-30 Rolls Royce & Ass Valve assembly
US4877048A (en) * 1988-10-14 1989-10-31 Eaton Corporation Wheel end valve for central tire inflation system
US6012491A (en) * 1996-05-30 2000-01-11 Lucas Industries Public Limted Company Pressure accumulator
US6076558A (en) * 1996-05-30 2000-06-20 Lucas Industries Public Limited Company Electronically controllable vehicle braking system for a motor vehicle
US7013916B1 (en) 1997-11-14 2006-03-21 Air Products And Chemicals, Inc. Sub-atmospheric gas delivery method and apparatus
US7150299B2 (en) 2003-09-12 2006-12-19 Air Products And Chemicals, Inc. Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2549273A (en) * 1946-02-02 1951-04-17 Toledo Scale Co Hydraulic weighing scale
US2593848A (en) * 1946-05-29 1952-04-22 Clausen Mads Flap valve automatically guided by a feeling member
US2629399A (en) * 1946-10-16 1953-02-24 Kulick George Safety valve for regulating and testing light pressures
US2686532A (en) * 1948-01-29 1954-08-17 Segerstad Carl Gustaf Hard Af Balanced pressure and vacuum regulator
US2654976A (en) * 1949-02-02 1953-10-13 Jorgensen Hans Jorgen Regulating valve for refrigerating installations
US2960104A (en) * 1955-08-15 1960-11-15 Tokheim Corp Gas separator and eliminator with servo vent valve
US3021866A (en) * 1958-07-28 1962-02-20 Economy Governor Company Safety control system for fluid distribution and apparatus
US3175576A (en) * 1961-11-30 1965-03-30 Rolls Royce & Ass Valve assembly
US4877048A (en) * 1988-10-14 1989-10-31 Eaton Corporation Wheel end valve for central tire inflation system
US6012491A (en) * 1996-05-30 2000-01-11 Lucas Industries Public Limted Company Pressure accumulator
US6076558A (en) * 1996-05-30 2000-06-20 Lucas Industries Public Limited Company Electronically controllable vehicle braking system for a motor vehicle
US6209583B1 (en) 1996-05-30 2001-04-03 Lucas Industries Public Limited Company Pressure accumulator
US7013916B1 (en) 1997-11-14 2006-03-21 Air Products And Chemicals, Inc. Sub-atmospheric gas delivery method and apparatus
US7150299B2 (en) 2003-09-12 2006-12-19 Air Products And Chemicals, Inc. Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor

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