US3437467A - Air injector for a carburetor - Google Patents
Air injector for a carburetor Download PDFInfo
- Publication number
- US3437467A US3437467A US381839A US3437467DA US3437467A US 3437467 A US3437467 A US 3437467A US 381839 A US381839 A US 381839A US 3437467D A US3437467D A US 3437467DA US 3437467 A US3437467 A US 3437467A
- Authority
- US
- United States
- Prior art keywords
- air
- carburetor
- passage
- air injector
- bars
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M23/00—Apparatus for adding secondary air to fuel-air mixture
- F02M23/001—Apparatus for adding secondary air to fuel-air mixture built into a flange
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M29/00—Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture
- F02M29/04—Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture having screens, gratings, baffles or the like
- F02M29/06—Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture having screens, gratings, baffles or the like generating whirling motion of mixture
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- each passageway Disposed within each passageway is a pair of cross bars from which depend helical swirl vanes.
- An air inlet tube extends laterally inwardly from the atmosphere outside the body to the intersection of the cross bars, the inner end of the air tube being formed at an angular inclination facing toward the oncoming air-fuel mixture so as to inject and intimately mix the air from the tube into the air-fuel mixture.
- My invention relates primarily to means for use in connection with a carburetor in an automotive engine induction mechanism for improving the combustible mixture flowing to the engine.
- a device of comparable nature is shown in my Patent 2,985,524 issued May 23, 1961.
- Another object of the invention is to provide an air injector for a carburetor which is particularly effective in introducing auxiliary air into the air mixture and providing a homogeneous product.
- Another object of the invention is to provide an air injector for a carburetor in which the structure can be adapted for use in carburetors having one or a plurality of air passages.
- Another object of the invention is to provide a simple, directly operating mechanism for supplying auxiliary air to a fuel induction mechanism of an engine.
- Another object of the invention is to provide a simple device which can readily be utilized as a mixing adapter or an adjunct in connection with a carburetor mechanism.
- Another object of the invention is in general to provide an improved air injector for a carburetor.
- FIGURE 1 is a plan of one form of air injector pursuant to the invention.
- FIGURE 2 is in part a side elevation and in part a cross section, the plane of which is indicated by the lines 22 of FIGURE 1.
- the air injector can be fabricated in many different ways and can be designed to fit in the induction system of various engines, whether they have one or more fuel mixture passageways, it is illustrated herein as it has successfully been embodied in an arrangement for use in connection with a carburetor having four symmetrically arranged induction passages.
- the device itself includes a flange body 6 conveniently made of a light metal of good thermal characteristics such as aluminum and having approximately a rectangular outline in plan and being of substantially uniform thickness.
- the body 6 is designed to fit in the induction mechanism of an engine, for example between a carburetor discharge passage 7 and a part 8 pertaining to the manifolding. For that reason, the body 6 has in it, preferably 3,437,467 Patented Apr. 8, 1969 adjacent the corners, a plurality of holes 9 for the reception of fastening or mounting studs or bolts, not shown.
- each of the passages Disposed in each of the passages are diametral bars 16 and 17 arranged to intersect on the central axis of the passage and being disposed preferably as adjuncts of a ring 18 which fits tightly within the passage 13, for example, preferably against a ledge 19 formed therein.
- the margins of the bars 16 and 17 are approximately half-way through the flange block 6.
- the bars are conveniently formed integrally with or are extended by pairs of helical vanes 21 and 22 which project from the flange body a substantial distance, so that in practice they extend into the passageway on the adjacent piece 8.
- conduit 23 Extending through the flange body for each one of the passage is a conduit 23 conveniently formed of a copper tube or the like which is mounted in the material of the block 6 and extends to a counterbore 24 therein having interior threads 26.
- the tube 23 projects into its respective one of the passages and is provided with an angular termination 27 substantially on the axis of the passageway on the side of the bars opposite to the extended vanes 21 and 22.
- a check valve body 28 having an exterior atmospheric opening 29 therein controlled by a ball 31 pressed closed by a spring 32 bearing against the flange body 6.
- the strength of the spring 32 is such that the check ball 31 is seated or closed in the event there is no substantial pressure difference between the exterior and the associated passage 13, but when the pressure within the passage 13 is relatively low, the spring force is overcome and the ball 31 is unseated by inflowing air from the atmosphere passing then into the passage 13.
- conduit 23 made of a separate tube
- conduit 23 it is alternatively possible to provide a similar air passage merely by drilling through the metal of the flange body 6 and then providing a termination adjacent the edge rather than at the axial center of the passage.
- the flange body is mounted, as indicated, between part of the induction mechanism and the carburetor mechanism of an internal combustion engine, so that the normal fuel mixture flow takes place through the various passageways 11, 12, 13 and 14.
- the check valve Under conditions of high vacuum; that is, when the engine is running under relatively light load, the check valve is effective to admit auxiliary air from the atmosphere into each one of the passages adjacent the center thereof and in a location so that the additional air is caught up with the inflowing mixture and is swirled or rotated and subjected to turbulence by reason of the configuration of the vanes 21 and 22. There is thus afforded an improved mixture for combustion.
- the fuel and air are intimately admixed and are made quite homogeneous.
- An air injector for a carburetor comprising:
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Description
April 8, 1969 F. JACOBUS AIR INJECTOR FOR A CARBURETOR Filed July 10, 1964 INVENTOR. FL 0 Y0 JA 6081/5 BY W r-M United States Patent 3,437,467 AIR INJECTOR FOR A CARBURETOR Floyd Jacobus, 5941 Sampson Blvd., Sacramento, Calif. 95824 Filed July 10, 1964, Ser. No. 381,839 Int. Cl. F02m 23/00 US. Cl. 48-180 2 Claims ABSTRACT OF THE DISCLOSURE Inserted between the carburetor and the intake manifold of an internal combustion engine is a body having longitudinal pasageways for the flow therethrough of the airfuel mixture. Disposed within each passageway is a pair of cross bars from which depend helical swirl vanes. An air inlet tube extends laterally inwardly from the atmosphere outside the body to the intersection of the cross bars, the inner end of the air tube being formed at an angular inclination facing toward the oncoming air-fuel mixture so as to inject and intimately mix the air from the tube into the air-fuel mixture.
My invention relates primarily to means for use in connection with a carburetor in an automotive engine induction mechanism for improving the combustible mixture flowing to the engine. A device of comparable nature is shown in my Patent 2,985,524 issued May 23, 1961.
It is an object of the invention to provide an improved air injector which can be utilized as an attachment in connection with a standard carburetor.
Another object of the invention is to provide an air injector for a carburetor which is particularly effective in introducing auxiliary air into the air mixture and providing a homogeneous product.
Another object of the invention is to provide an air injector for a carburetor in which the structure can be adapted for use in carburetors having one or a plurality of air passages.
Another object of the invention is to provide a simple, directly operating mechanism for supplying auxiliary air to a fuel induction mechanism of an engine.
Another object of the invention is to provide a simple device which can readily be utilized as a mixing adapter or an adjunct in connection with a carburetor mechanism.
Another object of the invention is in general to provide an improved air injector for a carburetor.
Other objects together with the foregoing are attained in the embodiment of the invention described in the accompanying description and illustrated in the accompanying drawings, in which:
FIGURE 1 is a plan of one form of air injector pursuant to the invention; and
FIGURE 2 is in part a side elevation and in part a cross section, the plane of which is indicated by the lines 22 of FIGURE 1.
While the air injector can be fabricated in many different ways and can be designed to fit in the induction system of various engines, whether they have one or more fuel mixture passageways, it is illustrated herein as it has successfully been embodied in an arrangement for use in connection with a carburetor having four symmetrically arranged induction passages.
The device itself includes a flange body 6 conveniently made of a light metal of good thermal characteristics such as aluminum and having approximately a rectangular outline in plan and being of substantially uniform thickness. The body 6 is designed to fit in the induction mechanism of an engine, for example between a carburetor discharge passage 7 and a part 8 pertaining to the manifolding. For that reason, the body 6 has in it, preferably 3,437,467 Patented Apr. 8, 1969 adjacent the corners, a plurality of holes 9 for the reception of fastening or mounting studs or bolts, not shown.
Passing entirely through the flange body are circular cylindrical air passages 11, 12, 13 and 14, being disposed with their central axes all parallel and in alignment with the adjacent mechanism, so that flow therethrough is continuous, preferably in the direction from the part 7 toward and into the part 8. Since the arrangement of each of the passages is substantially like the other, a description of one applies to all of them.
Disposed in each of the passages are diametral bars 16 and 17 arranged to intersect on the central axis of the passage and being disposed preferably as adjuncts of a ring 18 which fits tightly within the passage 13, for example, preferably against a ledge 19 formed therein. The margins of the bars 16 and 17 are approximately half-way through the flange block 6. The bars are conveniently formed integrally with or are extended by pairs of helical vanes 21 and 22 which project from the flange body a substantial distance, so that in practice they extend into the passageway on the adjacent piece 8.
Extending through the flange body for each one of the passage is a conduit 23 conveniently formed of a copper tube or the like which is mounted in the material of the block 6 and extends to a counterbore 24 therein having interior threads 26. The tube 23 projects into its respective one of the passages and is provided with an angular termination 27 substantially on the axis of the passageway on the side of the bars opposite to the extended vanes 21 and 22.
To control air flow through the conduit 23, there is screwed into the threaded counterbore a check valve body 28 having an exterior atmospheric opening 29 therein controlled by a ball 31 pressed closed by a spring 32 bearing against the flange body 6. The strength of the spring 32 is such that the check ball 31 is seated or closed in the event there is no substantial pressure difference between the exterior and the associated passage 13, but when the pressure within the passage 13 is relatively low, the spring force is overcome and the ball 31 is unseated by inflowing air from the atmosphere passing then into the passage 13.
While it is preferred to have the conduit 23 made of a separate tube, it is alternatively possible to provide a similar air passage merely by drilling through the metal of the flange body 6 and then providing a termination adjacent the edge rather than at the axial center of the passage.
In operation, the flange body is mounted, as indicated, between part of the induction mechanism and the carburetor mechanism of an internal combustion engine, so that the normal fuel mixture flow takes place through the various passageways 11, 12, 13 and 14. Under conditions of high vacuum; that is, when the engine is running under relatively light load, the check valve is effective to admit auxiliary air from the atmosphere into each one of the passages adjacent the center thereof and in a location so that the additional air is caught up with the inflowing mixture and is swirled or rotated and subjected to turbulence by reason of the configuration of the vanes 21 and 22. There is thus afforded an improved mixture for combustion. By reason of the rotation and helical travel, the fuel and air are intimately admixed and are made quite homogeneous.
What is claimed is:
1. An air injector for a carburetor comprising:
(a) a flange body having a circular-cylindrical passage therethrough;
(b) means for mounting said flange body against a carburetor;
(c) a plurality of diametral bars spanning said passage,
said bars intersecting at a central location in said References Cited passage; (d) a plurality of helical vanes disposed in said passage, UNITED STATES PATENTS said vanes originating on one side of said diametral 1,568,837 1/1926 Haywood.
b n 5 1,703,493 2/1929 Leach 48l80 (e) an air tube passing through said flange body from 2 377, 52 1945 B1iffrt the exterior thereof, said air tube extending along 2,935,524 5/1961 j cobus 48 18 the other side of one of said diametral bars and terminating at said central location on said other FOREIGN PATENTS side of said bars, said inner end of said air tube 10 194100 3/1923 Great Britain being formed at an angular inclination facing away from said diametral bars and toward the carburetor for intimate mixing of air from said air tube with JOSEPH SCOVRONEKPHmary Exammer' the air-fuel mixture from the carburetor. U S 01 X R 2. The device of claim 1 further including a check 15 123 141 valve mechanism communicating with said air tube and mounted in said flange body on the exterior thereof.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38183964A | 1964-07-10 | 1964-07-10 |
Publications (1)
Publication Number | Publication Date |
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US3437467A true US3437467A (en) | 1969-04-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US381839A Expired - Lifetime US3437467A (en) | 1964-07-10 | 1964-07-10 | Air injector for a carburetor |
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Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3544290A (en) * | 1965-10-21 | 1970-12-01 | Raymond C Larson Sr | Fuel atomizing unit |
US3583377A (en) * | 1968-11-15 | 1971-06-08 | Joseph R Graziano | Fuel vaporizer apparatus |
US3648674A (en) * | 1970-02-27 | 1972-03-14 | Gordon L Proctor Inc | Reactor |
US3735744A (en) * | 1971-07-18 | 1973-05-29 | P Brody | Intake manifold fuel system |
US3815565A (en) * | 1972-08-21 | 1974-06-11 | W Stelter | Sonic-wave fuel air homogenizing device |
US3847125A (en) * | 1972-01-27 | 1974-11-12 | A Malherbe | Carburetor |
US3929118A (en) * | 1972-06-13 | 1975-12-30 | Chai Mun Leong | I.C. engine improvements |
US4026257A (en) * | 1972-08-24 | 1977-05-31 | Exhal Industries Limited | Apparatus for supplying fuel to a combustion engine |
US4043306A (en) * | 1974-06-04 | 1977-08-23 | Abbott William G | Carburetor spacer plate with vapor fuel inlet |
US4092966A (en) * | 1976-11-03 | 1978-06-06 | Vortac, Inc. | Fuel vaporizing and mixing device for gasoline engines |
US4130099A (en) * | 1977-03-09 | 1978-12-19 | Ferguson Russel O | Gas saver |
US4137875A (en) * | 1977-12-12 | 1979-02-06 | Medina Sergio P | Auxiliary air inlet device for internal combustion engines |
US4307697A (en) * | 1975-10-02 | 1981-12-29 | Ong Siak Hoo | Complex swirl static mixer for engines |
US4333441A (en) * | 1980-03-21 | 1982-06-08 | Still Thomas W | Device for improving the fuel-gas air mixture and the operation of an internal combustion engine |
US4345574A (en) * | 1979-03-27 | 1982-08-24 | Tadakatsu Iwami | Secondary air feeder for an internal combustion engine |
US4359997A (en) * | 1980-12-24 | 1982-11-23 | Harry D. Vaughn | Fixed blade turbulence generator |
US4375801A (en) * | 1981-10-01 | 1983-03-08 | Eckman Donald E | Charge mixing carburetor plate |
US4671247A (en) * | 1986-02-26 | 1987-06-09 | Barbee William E | Fuel atomizing apparatus for internal combustion engines |
US5043105A (en) * | 1990-03-19 | 1991-08-27 | Unique Innovations, Inc. | Fuel atomizing device for carburetors |
US5053170A (en) * | 1990-03-19 | 1991-10-01 | Drahos Lloyd J | Fuel atomizing device for carburetors |
US5562869A (en) * | 1994-08-08 | 1996-10-08 | Unique Innovations, Inc. | Carburetor fuel atomizing device |
US20040206330A1 (en) * | 2001-06-29 | 2004-10-21 | Wijaya Heru Prasanta | Air-stirring blade for an internal combustion engine |
US20060245296A1 (en) * | 2005-04-28 | 2006-11-02 | Hitachi, Ltd. | Fluid mixing apparatus |
US8453617B1 (en) * | 2010-09-16 | 2013-06-04 | Brett T. Olson | Method and device for controlling air-fuel intake of an internal combustion engine |
WO2013112713A1 (en) * | 2012-01-25 | 2013-08-01 | S.P.M. Flow Control, Inc. | Manifold and methods of manufacturing same |
US9745968B2 (en) | 2014-04-07 | 2017-08-29 | S.P.M. Flow Control, Inc. | Manifold including mounting plate for fluid end block of reciprocating pump assembly |
US10113679B2 (en) | 2015-06-22 | 2018-10-30 | S.P.M. Flow Control, Inc. | Fluid liner wear indicator for suction manifold of reciprocating pump assembly |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB194100A (en) * | 1922-02-04 | 1923-03-08 | Eric Aspden Pollard | Improvements in extra air valves for internal combustion engines |
US1568837A (en) * | 1923-07-23 | 1926-01-05 | Jack S Haywood | Auxiliary attachment for internal-combustion engines |
US1703493A (en) * | 1925-10-10 | 1929-02-26 | Leach Charles | Combined mixer and auxiliary air-inlet device |
US2377852A (en) * | 1943-01-15 | 1945-06-12 | Walter J Bliffert | Attachment for internal combustion engines |
US2985524A (en) * | 1958-07-11 | 1961-05-23 | Jacobus Floyd | Carburetor attachment |
-
1964
- 1964-07-10 US US381839A patent/US3437467A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB194100A (en) * | 1922-02-04 | 1923-03-08 | Eric Aspden Pollard | Improvements in extra air valves for internal combustion engines |
US1568837A (en) * | 1923-07-23 | 1926-01-05 | Jack S Haywood | Auxiliary attachment for internal-combustion engines |
US1703493A (en) * | 1925-10-10 | 1929-02-26 | Leach Charles | Combined mixer and auxiliary air-inlet device |
US2377852A (en) * | 1943-01-15 | 1945-06-12 | Walter J Bliffert | Attachment for internal combustion engines |
US2985524A (en) * | 1958-07-11 | 1961-05-23 | Jacobus Floyd | Carburetor attachment |
Cited By (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3544290A (en) * | 1965-10-21 | 1970-12-01 | Raymond C Larson Sr | Fuel atomizing unit |
US3583377A (en) * | 1968-11-15 | 1971-06-08 | Joseph R Graziano | Fuel vaporizer apparatus |
US3648674A (en) * | 1970-02-27 | 1972-03-14 | Gordon L Proctor Inc | Reactor |
US3735744A (en) * | 1971-07-18 | 1973-05-29 | P Brody | Intake manifold fuel system |
US3847125A (en) * | 1972-01-27 | 1974-11-12 | A Malherbe | Carburetor |
US3929118A (en) * | 1972-06-13 | 1975-12-30 | Chai Mun Leong | I.C. engine improvements |
US3815565A (en) * | 1972-08-21 | 1974-06-11 | W Stelter | Sonic-wave fuel air homogenizing device |
US4026257A (en) * | 1972-08-24 | 1977-05-31 | Exhal Industries Limited | Apparatus for supplying fuel to a combustion engine |
US4043306A (en) * | 1974-06-04 | 1977-08-23 | Abbott William G | Carburetor spacer plate with vapor fuel inlet |
US4307697A (en) * | 1975-10-02 | 1981-12-29 | Ong Siak Hoo | Complex swirl static mixer for engines |
US4092966A (en) * | 1976-11-03 | 1978-06-06 | Vortac, Inc. | Fuel vaporizing and mixing device for gasoline engines |
US4130099A (en) * | 1977-03-09 | 1978-12-19 | Ferguson Russel O | Gas saver |
US4137875A (en) * | 1977-12-12 | 1979-02-06 | Medina Sergio P | Auxiliary air inlet device for internal combustion engines |
US4345574A (en) * | 1979-03-27 | 1982-08-24 | Tadakatsu Iwami | Secondary air feeder for an internal combustion engine |
US4333441A (en) * | 1980-03-21 | 1982-06-08 | Still Thomas W | Device for improving the fuel-gas air mixture and the operation of an internal combustion engine |
US4359997A (en) * | 1980-12-24 | 1982-11-23 | Harry D. Vaughn | Fixed blade turbulence generator |
US4375801A (en) * | 1981-10-01 | 1983-03-08 | Eckman Donald E | Charge mixing carburetor plate |
US4671247A (en) * | 1986-02-26 | 1987-06-09 | Barbee William E | Fuel atomizing apparatus for internal combustion engines |
US5043105A (en) * | 1990-03-19 | 1991-08-27 | Unique Innovations, Inc. | Fuel atomizing device for carburetors |
US5053170A (en) * | 1990-03-19 | 1991-10-01 | Drahos Lloyd J | Fuel atomizing device for carburetors |
US5562869A (en) * | 1994-08-08 | 1996-10-08 | Unique Innovations, Inc. | Carburetor fuel atomizing device |
US20040206330A1 (en) * | 2001-06-29 | 2004-10-21 | Wijaya Heru Prasanta | Air-stirring blade for an internal combustion engine |
US6901907B2 (en) * | 2001-06-29 | 2005-06-07 | Heru Prasanta Wijaya | Air-stirring blade for an internal combustion engine |
US20060245296A1 (en) * | 2005-04-28 | 2006-11-02 | Hitachi, Ltd. | Fluid mixing apparatus |
US8033714B2 (en) * | 2005-04-28 | 2011-10-11 | Hitachi High-Technologies Corporation | Fluid mixing apparatus |
US8453617B1 (en) * | 2010-09-16 | 2013-06-04 | Brett T. Olson | Method and device for controlling air-fuel intake of an internal combustion engine |
EP2807375A1 (en) * | 2012-01-25 | 2014-12-03 | S.P.M. Flow Control, Inc. | Manifold and methods of manufacturing same |
WO2013112713A1 (en) * | 2012-01-25 | 2013-08-01 | S.P.M. Flow Control, Inc. | Manifold and methods of manufacturing same |
CN104204525A (en) * | 2012-01-25 | 2014-12-10 | S.P.M.流量控制股份有限公司 | Manifold and methods of manufacturing same |
EP2807375A4 (en) * | 2012-01-25 | 2015-12-16 | Spm Flow Control Inc | Manifold and methods of manufacturing same |
US9441776B2 (en) | 2012-01-25 | 2016-09-13 | S.P.M. Flow Control, Inc. | Manifold and methods of manufacturing same |
CN104204525B (en) * | 2012-01-25 | 2016-11-02 | S.P.M.流量控制股份有限公司 | Manifold and manufacture method thereof |
CN107084108A (en) * | 2012-01-25 | 2017-08-22 | S.P.M.流量控制股份有限公司 | The manifold and its manufacture method passed through suitable for flow of fluid |
US10670176B2 (en) | 2012-01-25 | 2020-06-02 | S.P.M. Flow Control, Inc. | Manifold and methods of manufacturing same |
US9745968B2 (en) | 2014-04-07 | 2017-08-29 | S.P.M. Flow Control, Inc. | Manifold including mounting plate for fluid end block of reciprocating pump assembly |
US10113679B2 (en) | 2015-06-22 | 2018-10-30 | S.P.M. Flow Control, Inc. | Fluid liner wear indicator for suction manifold of reciprocating pump assembly |
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