US3015963A - Valve mechanism - Google Patents

Valve mechanism Download PDF

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Publication number
US3015963A
US3015963A US80768859A US3015963A US 3015963 A US3015963 A US 3015963A US 80768859 A US80768859 A US 80768859A US 3015963 A US3015963 A US 3015963A
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US
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Grant
Patent type
Prior art keywords
valve
claw
device
stem
motor
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
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Inventor
Charles M Terry
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A W Cash Valve Manufacturing Corp
Original Assignee
A W Cash Valve Manufacturing Corp
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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
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/046Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
    • 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
    • F16HGEARING
    • F16H21/00Gearings comprising primarily only links or levers, with or without slides
    • F16H21/10Gearings comprising primarily only links or levers, with or without slides all movement being in or parallel to a single plane
    • F16H21/16Gearings comprising primarily only links or levers, with or without slides all movement being in or parallel to a single plane for interconverting rotary motion and reciprocating motion
    • F16H21/18Crank gearings; Eccentric gearings
    • 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
    • Y10T74/00Machine element or mechanism
    • Y10T74/18Mechanical movements
    • Y10T74/18056Rotary to or from reciprocating or oscillating
    • Y10T74/18208Crank, pitman, and slide
    • 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
    • Y10T74/00Machine element or mechanism
    • Y10T74/21Elements
    • Y10T74/2142Pitmans and connecting rods
    • Y10T74/2159Section coupled

Description

Jan. 9, 1962 c. M. TERRY 3,015,963

VALVE MECHANISM Filed April 20, 1959 2 Sheets-Sheet 1 INVENTOR.

C. M. TERRY VALVE MECHANISM Jan. 9, 1962 2 Sheets-Sheet 2 Filed April 20, 1959 INVENTOR.

United States Patent Ofiice 3,015,963 Patented Jan. 9, 1962 Filed Apr. 20, 1959, Ser. No. 807,688 2 Claims. (Cl. 74-44) This invention relates to a valve mechanism, and more particularly to a remotely controlled motor operated valve.

In a hydronic system, namely a system for heating or cooling with water, it is current practice to use a separate circulator for each zone when the system is arranged to have a plurality of zones. This is a relatively expensive procedure since each zone requires its own piping system, as well as individual pump. By the use of the valve disclosed herein, only a single circulator is required for the whole system, and the remotely controlled valve may fit under a conventional baseboard type radiator to selectively supply fluid to the radiator. The supply of fluid to the radiator thus may be controlled by a thermostat which is connected to operate the motor associated with the valve and a single valve may then be used in each zone rather than a separate circulator for each zone.

An object of this invention is to provide a new and improved valve mechanism.

Another object of the invention is to provide a motor operated valve in which the mechanism for operating the valve member is a claw device readily connectable to the valve member and said claw device converts a rotary eccentric movement to a linear valve movement. This mechanism also permits the valve member to fully seat to block fluid flow.

Other objects of the invention are to fully insulate the motor and its associated mechanism from the valve and to etfectively seal the valve stem against leakage therealong by the use of an O ring under compression and specifically a pair of concentric rings in which the inner ring engages the stem, and the outer ring is under compression and exerts force on the inner ring and takes up wear in said inner ring.

Further objects and advantages will become apparent from the following detailed description taken in connection with the accompanying drawings in which:

FIG. 1 is a side elevational view of the motor operated valve mechanism looking toward the left in FIG. 2;

FIG. 2 is a vertical section taken generally along the line 22 in FIG. 1, and with the valve member shown seated;

FIG. 3 is a fragmentary vertical section taken generally along the line 3-3 in FIG. 1;

FIG. 4 is a fragmentary vertical section similar to FIG. 2, but showing the parts in a position with the valve member raised oflE its seat to permit fluid fiow and parts of the valve casing omitted; and

FIG. 5 is a fragmentary vertical section on an enlarged scale taken generally along the line 55 in FIG. 2.

While this invention is susceptible of embodiments in many difierent forms, there is shown in the drawings and will herein be described in detail an embodiment of the invention with the understanding that the present disclosure is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to the embodiment illustrated. The scope of the invention will be pointed out in the appended claims.

As shown in the drawings, the motor operated valve mechanism comprises a valve casing, indicated generally at 10, and a motor box, indicated generally at 11, which controls the position of a poppet valve member 12 in the valve casing 10.

The valve casing 10 is made up of parts 13, 14, 15 and 16 which are threadably connected together to provide a chamber 17, a fluid inlet 18, and a fluid outlet 19 for the valve. The casing part 13 has an annular seat 20 against which the valve member 12 seats to block fluid communication between the fluid inlet 18 and the fluid outlet 19.

A valve stem 21 is associated with the valve member 12 and extends upwardly through the casing part 16 to have a cap 22 at the upper end of the stem, as well as a reduced diameter section 23 of the stem extend within the motor box 11 for association with a claw device described subsequently.

The valve member 12 is urged toward a closed position by a spring 24 extending between the valve member 12 and a flanged collar 25 surrounding the valve stem and engageable against the valve casing part 16.

The motor box 11 is connected to the valve casing 10 by means of a body bracket 26 which is tightly fitted upon the valve casing part 16 and through which machine screws 27 extend into threaded engagement with the frame 30 at the bottom of the motor box 11. In order to prevent transmission of heat to the motor box, and thus prolong the life of the motor and other components, a heat barrier is positioned between the bracket 26 and the motor box in the form of a sheet 29 of suitable insulating material.

The frame assemby, indicated generally at 30, is mounted within the motor box 11, and mounts a motor 31 which drives a gear 32 meshing with a gear 33 of a larger diameter fixed to a shaft 34 rotatably mountedon the frame assembly 30 by shaft bearings 35, as shown in FIG. 5.

The shaft 34 carries an integral cam and eccentric unit which is rotatable therewith by connection thereof to the shaft by a set screw 36. This unit embodies an eccentric 37, as shown in FIGS. 2, 4 and 5, and an adjacent cam 38, as shown in FIGS. 3 and 5. The eccentric37 has the two extreme throw positions, as noted by comparison of FIGS. 2 and 4. In FIG. 2, the eccentric has its high directed toward the valve casing 10, and alternatively'has its high directed away from the valve casing, as shown in FIG. 4.

Means are provided for converting the rotary motion of the eccentric 37 to linear movement of the valve stem 21, comprising a claw device mounted on the eccentric 37 and engageable with the valve stem. The claw device embodies a pair of spaced apart plates 40 and 41 which are interconnected by rivets 42 which pass through suitable spacers (not shown) disposed between the plates 40 and 41 for maintaining their spaced apart relation. The plates 40 and 41 each have a downward extension provided with leading edges 43 and 44, respectively, which extend adjacent to the side of the valve stem cap 22. Each plate has an arm 45 and 46, respectively, which extends from the leading edges 43 and 44 to lie alongside the reduced part 23 of the valve stem and under the valve stem cap 22. It will be noted that the claw device plates 40 and 41 are swingable on the eccentric 37 to permit ready assembly and disassembly with the valve stem 21. A spring 50 is connected between the frame assembly, as indicated at 51, and the claw device to maintain the claw device assembled with the valve stem while still permitting manual swinging movement of the claw device to disassemble the device from the valve stem 21.

With the parts as shown in FIG. 2, the valve member 20 is on its seat, and it will be noted that the arms 45 and 46 of the claw device are spaced beneath the end cap 22 of the valve stem whereby the valve member 12 is free to fully close on the seat 20 under the urging of the spring 24. Upon one-half revolution of the eccentric 37 to the position shown in FIG. 4 by operation of the motor 31, the claw device has been raised and has carried the valve member 12 therewith to open a fluid path between the fluid inlet 18 and the fluid outlet 19. The spring 50 assists in maintaining the claw device in association with the valve stem. ,The position of the valve membe'rlZ is indicated through an opening 54 in the casing of the motor box 11 by a plate 55 carrying suitable indicia which is mounted on the rotatable shaft 34.

The claw device is maintained in lateral alignment on the eccentric 37 by means of a raised flange 56 on the eccentric which lies between the plates 40 and 41. A lubricant is provided for the claw device in the form of an oilerfelt 57 positioned about the eccentric 37 in the space between the claw device plates 40 and 41.

The motor 31 is suitably wired for remote operation, as by a thermostat, and wiring connections from the thermostat to the motor 31 are made through a terminal board 58 carried on the frame assembly 30. Each operation of the motor 31 results in a one-half revolution of the shaft 34 and this operation is effected by the utilization of the cam 38 which, as shown in FIG. 3, is positioned for alternate operation of a pair of limit switches 59 and 60 which are connected in circuit with the motor 31. As shown in FIG. 3, the limit switches have operating arms 61 and 62 respectively, which are alternately engaged by the cam 38. A v v A Means are also disclosed to prevent fluid leakage along a movable member such as the valve stem 21 comprising an Q ring under compression engaging the stern. This is effected by a pair of concentric rings disposed in a groove 63 formed between the casing part 16 and the collar 25 surrounding the valve stem 21. These concentric 0 rings are indicated at 64 and 65, with the inner 0 ring 64 engaging the valve stem and forming the member subjectto wear. The outer 0 ring 65 has a smaller internal diameter than the outer diameter of the inner ring 64 and is under compression in the groove 63 whereby the assembly of the concentric 0 rings results in compressiyeforces in the outer ring acting upon the inner ring 64 to provide a tight seal against the valve stem and take up any wear in the inner ring. The inner O ring 64 may be of a fairly hard wear-resistant material, one example of which is a fluorocarbon elastomer such as Viton, while the outer ring 65 may be of a softer, more compressible material.

I claim: 1. Amechanis'm for operating a longitudinally movable stem of a valve or the like having an abutment thereon comprising, a rotatable shaft, an eccentric on said shaft, a motor operatively connected to said shaft for selectively rotating said shaft, a claw device having an opening receiving the eccentric and mounting the claw device on the eccentric, said claw device including a pair of depending generally L shaped spaced apart fingers defining an open ended slot thcreb'etween for receiving said stem with parts of said fingers disposed beneath the stern abutment, and means for yieldably retaining the claw device and stem in associated relation by urging the claw device rotatively about the ecc'e'nti-ic'to have the fingers engage the edge of the abutment whereby the claw device converts rotary eccentric motion to linear movement of the stem and the claw device can be disassociated from the stem by rotating the claw device in a direction against the force of said yieldable means. l

2. A mechanism for operating a longitudinally movable stem of a valve or the like having an abutment thereon comprising, a rotatable eccentric, a claw device embodying a pair of interconnected spaced apart plates having edges extending to an arm on each plate with the arm at a substantial angle to the edge whereby the edges of the pair of plates engage a side of the abutment and the arms are disposed therebeneath, and spring means engaging the claw device and urging the claw device toward the stein as limited by engagement of the claw device with the abutment side and the eccentric whereby rotation of the eccentric is translated into linear movement of the claw device and stem and the claw devicemay be disas sociated from the stem by pivotal movement of the claw device away from the stem against the action of said spring.

References Cited in the the of this patent UNITED STATES PATENTS

US3015963A 1959-04-20 1959-04-20 Valve mechanism Expired - Lifetime US3015963A (en)

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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3152785A (en) * 1961-12-12 1964-10-13 Heat Timer Corp Motor operated valve assembly
US3253611A (en) * 1962-11-13 1966-05-31 Firewell Company Inc Controller for cryogenic liquids
US3416297A (en) * 1966-10-19 1968-12-17 Int Harvester Co Cotton harvester
US3862739A (en) * 1970-05-21 1975-01-28 Katsuji Fujiwara Electrically driven valve apparatus
US4176687A (en) * 1977-08-25 1979-12-04 Cla-Val Co. Hollow spool valve
US4315521A (en) * 1980-05-05 1982-02-16 Eaton Corporation Fluid pressure signal controller
US4789001A (en) * 1984-09-04 1988-12-06 South Bend Lathe, Inc. Operating system for a valve
US5072729A (en) * 1986-11-04 1991-12-17 Bird Products Corporation Ventilator exhalation valve
US5474062A (en) * 1987-11-04 1995-12-12 Bird Products Corporation Medical ventilator
US5494028A (en) * 1986-11-04 1996-02-27 Bird Products Corporation Medical ventilator
US5694926A (en) * 1994-10-14 1997-12-09 Bird Products Corporation Portable drag compressor powered mechanical ventilator
US6135967A (en) * 1999-04-26 2000-10-24 Fiorenza; Anthony Joseph Respiratory ventilator with automatic flow calibration
US6240919B1 (en) 1999-06-07 2001-06-05 Macdonald John J. Method for providing respiratory airway support pressure
US20060237676A1 (en) * 2005-04-26 2006-10-26 Yung-Yu Chang Water flow-controlling device for a cooling system of a vehicle
US20090020717A1 (en) * 2006-02-22 2009-01-22 Kyungdong Network Co., Ltd. Water flow control valve
US7793913B2 (en) * 2006-08-01 2010-09-14 Nidec Sankyo Corporation Valve element opening/closing device
US20150048269A1 (en) * 2013-08-14 2015-02-19 Chengdu Qinchuan Technology Development Co., Ltd. Bidirectional blockage-free gear-driven shutoff valve for gas meter purpose
US20150076380A1 (en) * 2013-09-18 2015-03-19 Borgwarner Inc. Actuator and valve arrangement
US20150159770A1 (en) * 2011-08-08 2015-06-11 Sonceboz Automotive Sa Compact metering device
WO2017187456A3 (en) * 2016-04-29 2018-02-08 Triton Valves Limited A vent apparatus and a method thereof

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US817639A (en) * 1905-10-12 1906-04-10 William Goble Pump-operating mechanism.
US1903229A (en) * 1933-03-28 Fooooojtl
US1933713A (en) * 1931-07-01 1933-11-07 Howard D Colman Power driven valve operator
US1989942A (en) * 1933-08-28 1935-02-05 Vapor Car Heating Co Inc Motor operated valve
US2059760A (en) * 1934-02-12 1936-11-03 James M Teahen Flow regulating control valve for plumbing fixtures
US2336653A (en) * 1942-02-06 1943-12-14 Honeywell Regulator Co Valve
US2527851A (en) * 1944-11-30 1950-10-31 Gen Controls Co Fluid control valve
US2625413A (en) * 1948-03-04 1953-01-13 Niels A Christensen Seal for hydraulic rams
US2723830A (en) * 1950-05-10 1955-11-15 New England Gear Works Motor operated valves
US2729478A (en) * 1953-05-21 1956-01-03 Garlock Packing Co Packing construction
FR1137347A (en) * 1955-06-15 1957-05-27 Air Liquide Improvements in gas valves for fluids under high pressure

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1903229A (en) * 1933-03-28 Fooooojtl
US817639A (en) * 1905-10-12 1906-04-10 William Goble Pump-operating mechanism.
US1933713A (en) * 1931-07-01 1933-11-07 Howard D Colman Power driven valve operator
US1989942A (en) * 1933-08-28 1935-02-05 Vapor Car Heating Co Inc Motor operated valve
US2059760A (en) * 1934-02-12 1936-11-03 James M Teahen Flow regulating control valve for plumbing fixtures
US2336653A (en) * 1942-02-06 1943-12-14 Honeywell Regulator Co Valve
US2527851A (en) * 1944-11-30 1950-10-31 Gen Controls Co Fluid control valve
US2625413A (en) * 1948-03-04 1953-01-13 Niels A Christensen Seal for hydraulic rams
US2723830A (en) * 1950-05-10 1955-11-15 New England Gear Works Motor operated valves
US2729478A (en) * 1953-05-21 1956-01-03 Garlock Packing Co Packing construction
FR1137347A (en) * 1955-06-15 1957-05-27 Air Liquide Improvements in gas valves for fluids under high pressure

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3152785A (en) * 1961-12-12 1964-10-13 Heat Timer Corp Motor operated valve assembly
US3253611A (en) * 1962-11-13 1966-05-31 Firewell Company Inc Controller for cryogenic liquids
US3416297A (en) * 1966-10-19 1968-12-17 Int Harvester Co Cotton harvester
US3862739A (en) * 1970-05-21 1975-01-28 Katsuji Fujiwara Electrically driven valve apparatus
US4176687A (en) * 1977-08-25 1979-12-04 Cla-Val Co. Hollow spool valve
US4315521A (en) * 1980-05-05 1982-02-16 Eaton Corporation Fluid pressure signal controller
US4789001A (en) * 1984-09-04 1988-12-06 South Bend Lathe, Inc. Operating system for a valve
US5072729A (en) * 1986-11-04 1991-12-17 Bird Products Corporation Ventilator exhalation valve
US5494028A (en) * 1986-11-04 1996-02-27 Bird Products Corporation Medical ventilator
US5474062A (en) * 1987-11-04 1995-12-12 Bird Products Corporation Medical ventilator
US20050150494A1 (en) * 1994-10-14 2005-07-14 Devries Douglas F. Portable drag compressor powered mechanical ventilator
US5868133A (en) * 1994-10-14 1999-02-09 Bird Products Corporation Portable drag compressor powered mechanical ventilator
US5881722A (en) * 1994-10-14 1999-03-16 Bird Products Corporation Portable drag compressor powered mechanical ventilator
US7849854B2 (en) 1994-10-14 2010-12-14 Bird Products Corporation Portable drag compressor powered mechanical ventilator
US7222623B2 (en) 1994-10-14 2007-05-29 Birds Products Corporation Portable drag compressor powered mechanical ventilator
US6526970B2 (en) 1994-10-14 2003-03-04 Devries Douglas F. Portable drag compressor powered mechanical ventilator
US5694926A (en) * 1994-10-14 1997-12-09 Bird Products Corporation Portable drag compressor powered mechanical ventilator
US6877511B2 (en) 1994-10-14 2005-04-12 Bird Products Corporation Portable drag compressor powered mechanical ventilator
US20050115564A1 (en) * 1994-10-14 2005-06-02 Devries Douglas F. Portable drag compressor powered mechanical ventilator
US20030230307A1 (en) * 1994-10-14 2003-12-18 Devries Douglas F. Portable drag compressor powered mechanical ventilator
US6135967A (en) * 1999-04-26 2000-10-24 Fiorenza; Anthony Joseph Respiratory ventilator with automatic flow calibration
US6240919B1 (en) 1999-06-07 2001-06-05 Macdonald John J. Method for providing respiratory airway support pressure
US20060237676A1 (en) * 2005-04-26 2006-10-26 Yung-Yu Chang Water flow-controlling device for a cooling system of a vehicle
US7163193B2 (en) * 2005-04-26 2007-01-16 Yung-Yu Chang Water flow-controlling device for a cooling system of a vehicle
US20090020717A1 (en) * 2006-02-22 2009-01-22 Kyungdong Network Co., Ltd. Water flow control valve
US8191859B2 (en) * 2006-02-22 2012-06-05 Kyungdong Network Co., Ltd. Water flow control valve
US7793913B2 (en) * 2006-08-01 2010-09-14 Nidec Sankyo Corporation Valve element opening/closing device
US20150159770A1 (en) * 2011-08-08 2015-06-11 Sonceboz Automotive Sa Compact metering device
US20150048269A1 (en) * 2013-08-14 2015-02-19 Chengdu Qinchuan Technology Development Co., Ltd. Bidirectional blockage-free gear-driven shutoff valve for gas meter purpose
US20150076380A1 (en) * 2013-09-18 2015-03-19 Borgwarner Inc. Actuator and valve arrangement
US9353706B2 (en) * 2013-09-18 2016-05-31 Borgwarner Inc. Actuator and valve arrangement
WO2017187456A3 (en) * 2016-04-29 2018-02-08 Triton Valves Limited A vent apparatus and a method thereof

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