US1296922A - Combined air and decarbonizing valve. - Google Patents

Combined air and decarbonizing valve. Download PDF

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US1296922A
US1296922A US11241216A US1296922A US 1296922 A US1296922 A US 1296922A US 11241216 A US11241216 A US 11241216A US 1296922 A US1296922 A US 1296922A
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valve
stem
manifold
passage
decarbonizing
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Adolfo De Clairmont
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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
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/44Details of seats or valve members of double-seat valves
    • F16K1/443Details of seats or valve members of double-seat valves the seats being in series
    • F16K1/446Details of seats or valve members of double-seat valves the seats being in series with additional cleaning or venting means between the two seats
    • 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
    • Y10T137/4238With cleaner, lubrication added to fluid or liquid sealing at valve interface
    • Y10T137/4245Cleaning or steam sterilizing
    • Y10T137/4259With separate material addition
    • 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
    • Y10T137/87571Multiple inlet with single outlet
    • Y10T137/87676With flow control
    • Y10T137/87684Valve in each inlet

Definitions

  • One of the objects of my present invention consists in providing decarbonizing devices whichare so constructed that, while they are capable of supplying a deoarbonizing fluid to a certain cylinder or a pair of- Specification of Letters Patent. Patentgd 1th), 11 11919, Application filed July 31,191a semi No. 112,412. V r r cylinders,- they are also capable ofshutting off passage of explosive mixture to the cyllnders from the manifold.
  • valves preferably of the butterfly type, which are inserted one in each of the branches of the intake manifold and any one of which may be'turned to such a position as to shut off passage of explosive mixture through such branch to e the corresponding cylinder or cylinders of the engine.
  • prov1dof tubular construction having a port or passage opening through its side within the manifold in the direction of the valve chamber of the engine cylinder when the valve is closed and in mounting a priming cup upon the outer end of the stem which serves both ing this butterfly valve witha shaft or stem as a means for operating the valve and as a 7 means for supplying a priming and decarbonizing fluid to the manifold, the priming then specifically pointed out in the'claims which are attached to and form a part of this application.
  • Figure 1 is a side elevation of a conventional form of four-cylinderengine employing an intake manifold having two branches, one for each pair of cylinders, showing my improved devices applied thereto; 7
  • Fig. 2' is a central longitudinal vertical section through one of the branches of the intake manifold, showing certain details in the construction of my device;
  • Fig. 3 is a side elevation of one of my devices,'the parts being unassembled;
  • Fig. 4 is a transverse sectional view taken through one branch of an intake manifold, showing the employment of a somewhat modified-form of deoarbonizing valve structure;
  • Fig" 5 is afragmentary elevational view V for each cylinder and in each of which a deof a six-cylinderengine in which-the intake manlfold 1s provlded with a separate branch 1 arranged to be employed as gaskets between the ends of thebranches of the intake manifold and theengine casing;
  • Fig. 7 is a sectional view of one of the devices as employed in Fig. 6;
  • Fig. 8 is a fragmentary side elevation, showing how my devices may be employed in connection with a built in manifold Corresponding and like parts are referred to in the following description and indicated in allthe views of the drawings by the same reference characters. 7 i
  • each device includes a butter fly valve 16 corresponding in shape and size to the interiorof the arm or branch of the intake manifold with which it is to be em ployed, generally being circular in shape, and formed along its vertical diameter with a tubular sleeve 17 provided intermediate its length with a passage 18.
  • This priming cup instead of having a threaded tubular nipple of the usual type is provided with a shank or stem 22 which is adapted'to be passed through openings formed indiametrically opposite portions of the intake manifold and through the sleeve 17 and which, at its free end, is threaded, asfshown at 23, to receive a clamping 'nut'21, a plain washer 25 and a split resilient locking washer 26 being preferably interposed between the manifold and the nut 2-1, in the manner shown in Fig. 2.
  • This stem or shank 22 is provided-throughout a portion of its lengthwith an axial passage 27 which commnnicates at one end with the primingcup '19 and which, at its other end, is formed with a radial extension or passage 28 adapted to aline with the port or passage 18 of the sleeve 17 when the device is properly assembled.
  • a set screw'29 or other suitable device may be employed for securing the valve in proper position upon the stem 22 to hold the passages 18 and 28 in alinement.
  • a washer 30 is interposed between the manifold and the base of the priming cup 19 and also a disk shaped bracket 31 provided atone side with an upstanding arm or lug'32.
  • This upstanding arm or lug 32 is formed with a bore which is radially disposed with respect to the'stem or shank 22-and the outer end of which is closed by a screw plug 33.
  • a helical spring 3% which engages against one end of a pin 35 which also seats in the socket, the spring tending at all times to hold the pin eX tended and, consequently, in engagement with one or the other of a air of shallow seats or sockets 36 formed in the base portion of the priming cup 19. Because of this, this spring pressed pin will serve as a means for locking the priming cup and, consequently, the butterfly valve 16 against turning movement when it is either in open or closed position.
  • Fig. 4 of the drawings I have illustrated a somewhat modified form of invention, the sole distinction being the fact that the baseportion of the primingcu p-37 is disposed at a right angle to the body portion, as shown at 38,'in order that the cup may occupy a proper vertical position at one side of the manifold when the stem is'passed through the manifold in a horizontal direction.
  • This form of device is primarily intended for use with manifolds in which the space above the manifold is limited or re stricted.
  • Fig. 4 would be employed with an inediately beneath the main trunk lZOfthe V In Figs.
  • FIG. 6 and '7 I have illustrate d'a' further'form of device capable'of being employed as a gasket between the free end of a branch Of'iLhe intake manifold and-the engine casing.
  • the engine is indicated by the numjeral'4l6 and the branches of the intake manifold by the numeral l7 7 while my improved decarbonizing devices and air valvesare indicated by the numeral. 48. As shown in Fig. 7 each of. these de-.
  • a gasket forming ring 49 is provided through which the stem passes'and which, when the devices are applied, seats between, the clamping flange 50 of the branch of the intake inanifold and the casing of the engine.
  • This ring is preferably equal in'length to the diameter 0f the butterfly valve in order to insure perfect freedoinof movement of the valve.
  • the cut off valve of the device, in the corresponding branch of the manifold may be opened to a greater extent. If the intake manifold has a separate branch for each cylinder and one of the devices is located in each branch, it will be clear that the amount of air supplied to each cylinder along with the explosive mixture may be independently regulated.
  • my invention is not primarily intended for such purpose, lhllltty be employed for priming the engine by placing the proper amount of gasolene or other fluid in the priming cup and openingthe cut off valves to let such fuel flow into the branches of the intake manifold. The cut off valves may then be closed and the engine turned over and started in the usual manner.
  • a device of the character described including a butterfly valve adapted to be inserted in an intake manifold branch and having a diametric sleeve formed at one side with an opening, a stem adapted for passage through openings formed in opposite sides of the manifold branch and through the sleeve, a priming cup carried by one end of the stem, means applicable to the other end of the stem to hold the stem do notwish to be limited to such details as against displacement from the manifold while leaving it free for turning movement to turn the valve, the stem being formed with a passage communicating at one end 'with the opening in thesleeve and at its otherend with the priming cup, a valve for the priming cup, and means cooperating with the priming cup for locln'ng the stem against turning movement when the butterfly valve is in either open or closed position.
  • a device of the character described including a butterfly valve adapted'to be inserted in an intake manifold branch and having a diametric sleeve formed at one side with an opening, a stem adapted for passage through openings formed in opposite sides of the manifold branch and through the sleeve, a priming cup carried by one end of the stem, means applicableto the other end'of the stem to hold the stem against disengagement from the manifold while leaving it free'for turning movement to turn the valve, the stem being formed with a passage communicating at one end with the opening in the sleeve and at its other end with the priming cup, a valve for the priming cup, and means for locking the stem against turning movement either When the butterfly valve is in open or closed position, said means including a bracket fixed against turning movement, and a spring pressed detent supported by the bracket and engaging the base portion of the priming cup to seat in one or the other of sockets formed therein.
  • a device of the character described including a butterfly valve adapted to be inserted in an intake manifold of an internal combustion engine, a rotatable stem ada ted to extend through the manifold and aving the valve fixed thereto, a priming cup carried by the stem and provided with a valve, the stem being formed with. a passage leading from the priming cup and communicating with the manifold, a bracket jour- Copies of this patent may be obtained for naling the stem and providing a seat for the priming cup, and means carried by the bracket to cooperate with the said icup 'for locking the stem against turning movement either when the butterfly valve is in open or closed position; j
  • a device of the character described including a butterfly valveadapted to be positioned in an intake manifold of an internal combustion engine and formed with a 'dia-V metric sleeve, a valve stem adapted to ex. tend through the manifold and through said sleeve for rotatably supporting the valvev Within the manifold, the stem being formed with a passageopening at its outerend at oneend of the stem and opening at its inner end through one side ofthestem, and a.
  • priming cup connected to the said end of the stem to communicate with said passage and having its base overhanging thefstenr and adapted to operatively cooperate With the manifold for limiting the stem against inward movement through the manifold, the
  • a diametric sleeve adapted to be secured in the sleeve and formed with a passage opening at its outer end at one end of the stem and opening at its inner end through one side of the stem within said sleeve, and a priming cup carried by the five cents each, by addressing the Commissioner of Patents, Washington; D. 0.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Description

A. DE CLAIRMONT. COMBINED AIR AND DECARBONIZING VALVE. APPLI ATIGN man m 31. 1916.
1396,9228 men-ted Mar, 11, 1919.
2 SHEETS-SHEET I.
A. DE CLAIRMONT.
COMBINED AIR AND DECARBONIZING VALVE. APPLICATION HLED JULY 31.12MB.
1,296,922., Patented Mar. 11,1919.
2 SHEETS-SHEET 2.
411E @fl'de Clairmonfrnvrrnn s'r 'rEs PATENT @FFICE,
AnoLFo DE onninnour, or rotnno, 01110.
COMBINED AIR AND DECARBONIZIN'G VALVE. r
To all whom it may concern:
Be it known that I, AnoLro on CLAmMoNT, a citizen of the United States, residing at Toledo, in the county of Lucas, and State of Ohio, have invented certain new and use ful Improvements in Combined Air and Decarbonizing Valves, of which the following a device of such a nature that two or more of them will be employed with the automobile engines now'in use, one device being mounted in each branch of the intake manifold in order that the air or decarbonizing fluid may be independently supplied to the engine cylinders, the supply to each cylinder or pan of cylinders, according 'to the type of engine, being independent of that to the others.
The importance of this will be readily realized when notice is taken of the fact that in many instances one pair of cylinders in a four cylinder or siX cylinder engine is found to require more air in the mixture supplied to them than the other pairs. It
is for this reason that the provision of a single supplemental air valve in the main trunk of the manifold has been found ineffective.
In removing carbon fromv engine cylinders by the employment of a decarbonizing fluid, it has been found that the carbon is more effectively removed if the fluid is admitted while the engine is hot and in operation. At the same time, better results are obtained ifno explosions areloccurring in the engine cylinders being treated and if no explosive mixture is being supplied to such cylinders.
One of the objects of my present invention consists in providing decarbonizing devices whichare so constructed that, while they are capable of supplying a deoarbonizing fluid to a certain cylinder or a pair of- Specification of Letters Patent. Patentgd 1th), 11 11919, Application filed July 31,191a semi No. 112,412. V r r cylinders,- they are also capable ofshutting off passage of explosive mixture to the cyllnders from the manifold.
More spec1fically, my inventlon comprehends-the provision of valves, preferably of the butterfly type, which are inserted one in each of the branches of the intake manifold and any one of which may be'turned to such a position as to shut off passage of explosive mixture through such branch to e the corresponding cylinder or cylinders of the engine. It further consists in prov1dof tubular construction having a port or passage opening through its side within the manifold in the direction of the valve chamber of the engine cylinder when the valve is closed and in mounting a priming cup upon the outer end of the stem which serves both ing this butterfly valve witha shaft or stem as a means for operating the valve and as a 7 means for supplying a priming and decarbonizing fluid to the manifold, the priming then specifically pointed out in the'claims which are attached to and form a part of this application.
In the drawings:
Figure 1 is a side elevation of a conventional form of four-cylinderengine employing an intake manifold having two branches, one for each pair of cylinders, showing my improved devices applied thereto; 7
Fig. 2'is a central longitudinal vertical section through one of the branches of the intake manifold, showing certain details in the construction of my device;
Fig. 3 is a side elevation of one of my devices,'the parts being unassembled;
Fig. 4 is a transverse sectional view taken through one branch of an intake manifold, showing the employment of a somewhat modified-form of deoarbonizing valve structure;
Fig" 5 is afragmentary elevational view V for each cylinder and in each of which a deof a six-cylinderengine in which-the intake manlfold 1s provlded with a separate branch 1 arranged to be employed as gaskets between the ends of thebranches of the intake manifold and theengine casing;
Fig. 7 is a sectional view of one of the devices as employed in Fig. 6;
Fig. 8 is a fragmentary side elevation, showing how my devices may be employed in connection with a built in manifold Corresponding and like parts are referred to in the following description and indicated in allthe views of the drawings by the same reference characters. 7 i
In order toinsure a clear and accurate understanding of my invention and its use I have illustrated it in connection with a conventional form of internal combustion engine 10 having an intake manifold 11 which includes a trunk 12, a pair ofdiverging arms 13, and branches 14 extending from these arms to the valve chambers of the various engine cylinders. V In this figure I have illustrated the employment of two of my devices, these devices being indicated as a whole bythe numeral 15 andbeing disposed one in each of the arms 13 between the trimk 12 and the next adjacent branches I l, one of these devices controlling passage of explosive mixture, airand priming fluids to one pair of engine cylinders and the other to the other pair. These devices are identical inrconstruction and one of them is clearly. illustrated in Figs. 2 and 3. As there shown, each device includes a butter fly valve 16 corresponding in shape and size to the interiorof the arm or branch of the intake manifold with which it is to be em ployed, generally being circular in shape, and formed along its vertical diameter with a tubular sleeve 17 provided intermediate its length with a passage 18. A priming cup 19, of the usual or any preferred type 111- cluding in its structure a cut off valve 20 having a valve handle 21, is provided. This priming cup, instead of having a threaded tubular nipple of the usual type is provided with a shank or stem 22 which is adapted'to be passed through openings formed indiametrically opposite portions of the intake manifold and through the sleeve 17 and which, at its free end, is threaded, asfshown at 23, to receive a clamping 'nut'21, a plain washer 25 and a split resilient locking washer 26 being preferably interposed between the manifold and the nut 2-1, in the manner shown in Fig. 2. "This stem or shank 22 is provided-throughout a portion of its lengthwith an axial passage 27 which commnnicates at one end with the primingcup '19 and which, at its other end, is formed with a radial extension or passage 28 adapted to aline with the port or passage 18 of the sleeve 17 when the device is properly assembled. A set screw'29 or other suitable device may be employed for securing the valve in proper position upon the stem 22 to hold the passages 18 and 28 in alinement.
Preferably,a washer 30 is interposed between the manifold and the base of the priming cup 19 and also a disk shaped bracket 31 provided atone side with an upstanding arm or lug'32. This upstanding arm or lug 32 is formed with a bore which is radially disposed with respect to the'stem or shank 22-and the outer end of which is closed by a screw plug 33. ,Seated in the socket'thus formed is a helical spring 3% which engages against one end of a pin 35 which also seats in the socket, the spring tending at all times to hold the pin eX tended and, consequently, in engagement with one or the other of a air of shallow seats or sockets 36 formed in the base portion of the priming cup 19. Because of this, this spring pressed pin will serve as a means for locking the priming cup and, consequently, the butterfly valve 16 against turning movement when it is either in open or closed position. 7 I
If my improvedpriming and decarbonizing devices are applied to the branches of the intake manifold adjacent its free ends, it will only be necessary to'drill holes at diametrically opposite points through the manifold branches, insert the valves through the ends of the branches and pass the stems of the priming cups downwardly throughthe sleeves of the valves and then apply the clamping nuts and washers. If, on the other hand, the devices are inserted adjacent the trunk of the manifold, it will be necessary to split one wall of each branch of the mani fold in order that the valve 16, already mounted upon the stem 22, may be passed into place, the opening thus formed in the manifold being later sealed by welding or other suitable means. y
In Fig. 4 of the drawings, I have illustrated a somewhat modified form of invention, the sole distinction being the fact that the baseportion of the primingcu p-37 is disposed at a right angle to the body portion, as shown at 38,'in order that the cup may occupy a proper vertical position at one side of the manifold when the stem is'passed through the manifold in a horizontal direction. This form of device is primarily intended for use with manifolds in which the space above the manifold is limited or re stricted. For insta-nce,-the form of device shown in Fig. 4 would be employed with an inediately beneath the main trunk lZOfthe V In Figs. 6 and '7 I have illustrate d'a' further'form of device capable'of being employed as a gasket between the free end of a branch Of'iLhe intake manifold and-the engine casing. In Fig. 6, the engine is indicated by the numjeral'4l6 and the branches of the intake manifold by the numeral l7 7 while my improved decarbonizing devices and air valvesare indicated by the numeral. 48. As shown in Fig. 7 each of. these de-.
vicesis identical with the device shown in Fig. 3, with the exception that a gasket forming ring 49 is provided through which the stem passes'and which, when the devices are applied, seats between, the clamping flange 50 of the branch of the intake inanifold and the casing of the engine. This ring is preferably equal in'length to the diameter 0f the butterfly valve in order to insure perfect freedoinof movement of the valve.
The operation ofthe various forms of devices illustrated and described is the same and I will therefore describe the operation in connection with the formshown in Figs. 1 to 3 of the drawings. Under normal conditions, the butterfly valves 16 are opened to permit free passage of explosive mixture through the branches, of the intake manifold to the engine cylinders, while the cut off valves QO Ofthe priming cups are closed to prevent entry of air to the manifold. Obviously, if a weaker mixture, is desired, these out off valves 20 may be opened to a more or less extent, dependent upon the amount of air desired. Furthermore, if it is found that one pair of cylinders requires a weaker mixture than the other pair, the cut off valve of the device, in the corresponding branch of the manifold, may be opened to a greater extent. If the intake manifold has a separate branch for each cylinder and one of the devices is located in each branch, it will be clear that the amount of air supplied to each cylinder along with the explosive mixture may be independently regulated.
When the operator desires to remove carbon from the engine cylinders, he may disconnect the leads to the spark plugs of such cylinders, turn the device in that branch of the manifold supplying explosive mixture ,to such cylinders to close the throttle valve 16 of such device and thereby shut off passage of explosive mixture to the cylinders being, treated and. 121111. the engine upon the ren iaining cylinders. He may then supply any sulta'ble'decarbcnizing fiuid'to the primihg cup'of the device thus employed, which fluid will be drawn by the suction of the en- V gine into thepassage 27 and through the ahned passages 28 andlS into thatportion ofthe intake manifold shutoff fromthe car- 'bureterfand so to the cylindersbcing treated.
As there is no firing inthe cylinders being treated, a complete and effective removal of carbon is assured. Afterthus treating one "cylinder or pair of'cylinder's, the device controlling them'may be returned to normal po sition and another cylinder or pair of .cyl1nders treated, this being repeated until all thecylindershave been freed from carbon.
Although my invention is not primarily intended for such purpose, lhllltty be employed for priming the engine by placing the proper amount of gasolene or other fluid in the priming cup and openingthe cut off valves to let such fuel flow into the branches of the intake manifold. The cut off valves may then be closed and the engine turned over and started in the usual manner.
Although I have illustrated and described my invention in all its details of construction, it will of course be understood that I various minor changes, within the scope of the appended claims, may be made at any time without in the slightest degree depart *the other end of the stem to hold the stem against displacement from the manifold while leaving it free for turning movement to turn the valve, yieldable tensioning means for the stem applicable between the said last mentioned means and the manifold, the stem being formed with a passage having uninterrupted communication at one end with the opening in the sleeverand at its other end with the priming cup, and a valve for the. priming cup.
2. A device of the character described including a butterfly valve adapted to be inserted in an intake manifold branch and having a diametric sleeve formed at one side with an opening, a stem adapted for passage through openings formed in opposite sides of the manifold branch and through the sleeve, a priming cup carried by one end of the stem, means applicable to the other end of the stem to hold the stem do notwish to be limited to such details as against displacement from the manifold while leaving it free for turning movement to turn the valve, the stem being formed with a passage communicating at one end 'with the opening in thesleeve and at its otherend with the priming cup,a valve for the priming cup, and means cooperating with the priming cup for locln'ng the stem against turning movement when the butterfly valve is in either open or closed position.
, 3; A device of the character described including a butterfly valve adapted'to be inserted in an intake manifold branch and having a diametric sleeve formed at one side with an opening, a stem adapted for passage through openings formed in opposite sides of the manifold branch and through the sleeve, a priming cup carried by one end of the stem, means applicableto the other end'of the stem to hold the stem against disengagement from the manifold while leaving it free'for turning movement to turn the valve, the stem being formed with a passage communicating at one end with the opening in the sleeve and at its other end with the priming cup, a valve for the priming cup, and means for locking the stem against turning movement either When the butterfly valve is in open or closed position, said means including a bracket fixed against turning movement, and a spring pressed detent supported by the bracket and engaging the base portion of the priming cup to seat in one or the other of sockets formed therein.
4. A device of the character described including a butterfly valve adapted to be inserted in an intake manifold of an internal combustion engine, a rotatable stem ada ted to extend through the manifold and aving the valve fixed thereto, a priming cup carried by the stem and provided with a valve, the stem being formed with. a passage leading from the priming cup and communicating with the manifold, a bracket jour- Copies of this patent may be obtained for naling the stem and providing a seat for the priming cup, and means carried by the bracket to cooperate with the said icup 'for locking the stem against turning movement either when the butterfly valve is in open or closed position; j
V 5. A device of the character described including a butterfly valveadapted to be positioned in an intake manifold of an internal combustion engine and formed with a 'dia-V metric sleeve, a valve stem adapted to ex. tend through the manifold and through said sleeve for rotatably supporting the valvev Within the manifold, the stem being formed with a passageopening at its outerend at oneend of the stem and opening at its inner end through one side ofthestem, and a.
priming cup connected to the said end of the stem to communicate with said passage and having its base overhanging thefstenr and adapted to operatively cooperate With the manifold for limiting the stem against inward movement through the manifold, the
sleeve being provided with an opening 7 forming an'outlet for the passage at its inner end.
. 6. A device of the character described in- V eluding a butterfly valve adapted to be positioned in an intake 'manifold of an 1nn ternal combustion engine and formed With;
a diametric sleeve, a valve stem adapted to be secured in the sleeve and formed with a passage opening at its outer end at one end of the stem and opening at its inner end through one side of the stem within said sleeve, and a priming cup carried by the five cents each, by addressing the Commissioner of Patents, Washington; D. 0.
US11241216 1916-07-31 1916-07-31 Combined air and decarbonizing valve. Expired - Lifetime US1296922A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2603444A (en) * 1948-05-28 1952-07-15 Carter Carburetor Corp Valve assembly
US2835268A (en) * 1955-08-22 1958-05-20 Clary Corp Butterfly valve construction
US3297011A (en) * 1965-02-02 1967-01-10 Brunswick Corp Preservation system for engines
US3841145A (en) * 1971-11-15 1974-10-15 Rader Companies Method and apparatus for measuring particulate emissions in gas flow
US20110068285A1 (en) * 2009-09-24 2011-03-24 Poolvergnuegen Automatic Increased-Suction Relief Apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2603444A (en) * 1948-05-28 1952-07-15 Carter Carburetor Corp Valve assembly
US2835268A (en) * 1955-08-22 1958-05-20 Clary Corp Butterfly valve construction
US3297011A (en) * 1965-02-02 1967-01-10 Brunswick Corp Preservation system for engines
US3841145A (en) * 1971-11-15 1974-10-15 Rader Companies Method and apparatus for measuring particulate emissions in gas flow
US20110068285A1 (en) * 2009-09-24 2011-03-24 Poolvergnuegen Automatic Increased-Suction Relief Apparatus
US8678026B2 (en) * 2009-09-24 2014-03-25 Dieter J. Rief Automatic increased-suction relief apparatus
US20140319389A1 (en) * 2009-09-24 2014-10-30 Poolvergneugen Automatic Increased-Suction Relief Apparatus

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