Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
  • B23K9/00—Arc welding or cutting
  • B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
  • B23K9/1006—Power supply
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
  • B23K9/00—Arc welding or cutting
  • B23K9/32—Accessories
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
  • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
  • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
  • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
  • F02B63/06—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for pumps
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
  • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
  • F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
  • F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members

Definitions

• the present inventi n relates generally to. combined welder and compressor units, and more particularly to a x il of this ty e having a reduced number of movable parts.
• Combined welding and compressor units transportable to a work sire typically include an internal, combustion engine and sir compressor mounted to a frame.
• the internal combustion, engine, compressor, alternator, and air tank assembly are mounted withi a housing, typically extending along a length of the .housing.
• the internal combustion engine is connected to a generator which generates welding amperage, and can also generate alternating current tor operating external auxiliary equi ment,, which can include drills, grinders, lights and othe devices.
• the air compressor can provide compressed air for pneumatic equipment as well as certain welding applications, including carbon arc gouging and plasma carting.
• the present disclosure provides an engine driven welder combination including a welder housing a in internal. components mounted thereto, and an engine mounted, within, the welder housing.
• the crankshaft of the engine is coupled to a weld current generator to generate an are welding current
• An air compressor is coupled to an air compressor drive pulley rotated by the engine.
• a belt is provided, in driving engagement with die crankshaft pulley and she air compressor pulley, wherein, when the engine rotates the crankshaft pulley, die belt drives the air compressor to produce compressed air.
• the engine accessory can compris a Can, a pump, or both.
• the belt drives a f hub or pump pulley to produce an air flow or Surd flow for cooling the engine.
• a clutch assembly can be provided in driving engagement, with the belt and coupled to the air compressor pulley, and can be selectively engaged to drive die air compressor to produce compressed air, and disengaged to prevent the production of compressed air.
• the clutch assembly can be. for example, a. magnetic clutch assembly. fMM ) 9j
• the present disclosure provides an engine driven welder combination comprising an engine coupled to a crankshaft pulley, an alternator drive pulley coupled to the engine and to an electrical generator configured to generate as electrical current when the alternator pulley is rotated, and an air compressor drive policy rctatably coupled to the engine and coupled to an air compressor.
• the crankshaft pulley, the alternator drive pulley, and the air compressor drive pulley are mounted to the engine such that the
• center of each of the pulleys that is configured to .receive a belt is co-planar with the centers of the other pulleys that are configured to nsceive a belt.
• a belt can be provided i» driving engagement with each of the crankshaft pulley, the alternator drive pulley, and the air compressor pulley. When the engine rotates the crankshaft pulley, the belt drives the electrical generator to produce electrical current and drives the air compressor to produce compressed air.
• an engine drivers, welder combination can comprise an en ine conpied to a crankshaft pnlfey to dri ve the crankshaft pulley and to an elec rieal generator to generate an arc welding current; an air compressor coupled to an ait compressor drive pulley rotated by die engine; an engine accessory coupled to an engine accessory drive pulley rotated by the engine; and a heir in driving engagement with, the air compressor pulley and the engine accessory pulley.
• the belt drives the air compressor to produce compressed air and the engine accessory.
• the engine driven welder combination can also include an alternator drive pulley coupled to the engine and to an electrical generator configured to generate an electrical current when the alternator pulley Is rotated. jOOI l j
• Fig. 3 is an cad view of the engine a id air compressor system of Fig. 2 fClOfSJ Fig. 4 is exploded view of the engine and air compressor system of Fig, 2.
• Fig, 5 is m alternate perspective view of the engine aad air compressor system of Fig, 2, fakers .from another angle.
• FIG. I an exemplary portable en ine-driven welding and compressor combination or system 10 is shown. Devices of this type are described, for example, i U,$. Mea 6,674,046, which is hereby incorporated by reference for its description of welding and compressor combination devices.
• the welder combination .10 has art outer housing 12 that can include one or more air vents 14 for cooling internal
• a plurality of support members 16 can provide stabilisation for the welder combination 1.0 when placed on a generally level surface, such as surface 18.
• An upper surface 20 of the welder combination 10 includes a l ifting book 22 extending
• An exhaust system. 24 can be attached to the upper surface 20 to lower noise and remove exhaust gas.
• the welder combination 10 can include a control panel 26 that includes various control elements and gauges.
• a plurality of gauges 28 ca ' be provided, for example, to measure various parameters, including oil pressure, fuel level, oil temperature, battery amperage, air pressure, and engine cunning time.
• Control panel 26 can also include an interface for selecting and adjusting a voltage or amperage range, here shown as a range switch 32 and corresponding control dial. 30.
• a process selector switch 34 can be provided to select a type of weld output, and can include stick welding, TIG welding, air-carbon arc cutting, and various wire feed processes.
• Electrical outlets 36 can be provided in the control panel 26 to provide power for electrically driven devices, such as saws, drills, screw drivers, cooling dev ices, etc.
• Control panel 26 can also include a compressor on/off switch 31 and an engine control switch 33 for independent control of the compressor and engine, respectively.
• the control panel 2.6 can also include a power connections for connecting auxiliary equipment, here shown as a single phase power connect outlet 38 and a three-phase power connect Outlet 46, as well as- weld-power receptacles 42 for receiving weld cables for use in a welding process.
• a polarity switch 44 can also be provided to enable a user to select the polarit of the weld, output Typical selections include direct current electrode negative, direct current electrode positive, and alternating current.
• a panel remote switch 46 and remote receptacle 48 can be provided to enable a user to selectively control the welder combination 1 from a remote location.
• Positive 50 and negative 52 battery charge connections can also be provided to enable battery charging and jump starting.
• a valve 54 can be selectively activated, by the user to suppl compressed air from the air compressor tor use in air assisted carbon arc cutting or to power air driven power tools and oilier pneumatic operations,
• FIG. 2 and 5 perspective views of a portion 56 of the welder combination 10 of FKJ, t, with the housing 1.2 removed, are shown.
• An internal combustion engine 58 can be fluid or air cooled and configured to re-circulate engine cooling fluid.
• An electrical generator (not shown) configured to generate an arc weldin current is mounted within the housing 12 of the welder combination 1 and is driven directly by the engine 58 to supply weld power to the weld-power receptacles 42,
• the welder combination further includes an air compressor 68, which CM he, as shown here, a screw air compressor mounted to the engine 58.
• the air compressor 68 is configured to provide compressed air to the shut- off valve 54 of FIG. i .
• the internal combustion engine 58 f e welder combination 1 includes an air intake 76 connected to an intake .manifold and engine head.
• a pulley arrangement 82 is coupled to the engine SB and includes an air compressor pulley 106. an idler pulley 100, a crankshaft pulley 92 * and engine accessory pulleys, here including an alternator pulley 88 and a fluid pump/fa blade hub 84,
• the pulleys in the pulley arrangement 82 are each sized and di mensioned to receive a drive belt 86, and are coupled to the engine -and located in a plane such that the drive belt can he received and drive each of the pulleys simultaneously.
• an air compressor mounting bracket 102 is bolted to fee engine easing.
• the mounting bracket 102 includes an upper horizontal surface 103, a generally vertical lower coupling portion 105, and opposing side surfaces 107 and 109 which extend downwardly from opposing ends of the hori/ mtal surface to the generally vertical lower coupling portion 105, defining an opening 1 1 1 therebetween for receiving the alternator 90.
• Brackets 1 12 and 1 14 are coupled between the alternator 90 and ounting bracket 102, and include holes for receiving threaded fasteners,
• the air compressor 68 is received on an upper horizontal surface I IB and is bolted to holes in the horizontal surface 1 3 j retai ing die air compressor 8 above the engine 58.
• a belt tensto/ner mounting bracket 120 is also coupled to the engine 58 with threaded fasteners, and includes additional boles to mount the belt tensioner 9 .
• the bracket 102 is sized and dimensioned to align the air compresso pulley 106 and alternator pulley 88 with the other pulleys in the pulley system 82, such that the pulleys are co-planar, thereby minimizing the length of the welding system 10.
• the belt tensioner mounting bracket ⁇ 20 similarly positions the belt tensionc-r 94 adjacent the path of the belt 86,
• crankshaft pulley 92 dri ves the drive belt 8 , which in tarn drives the air compressor pulley 106, and engine accessor pulleys, here shown as alternator pulley 88 and .fluid pnmp/fau blade hub pulley 84.
• a belt tensioner 94 connected to a mounting bracket .120 on. the engine ' block adjacent the engine crankshaft pulley 92 and. fluid pump/fan hub 84, includes a roller 1 10 that maintains tension on the drive bel t 86 as the belt moves betwee the crankshaft pulley 92 and fluid pump fan hub 84.
• the idler pulley 100 is coupled to the engine block adjacent the fluid pump/fan bub 84 and alternator pulley 88, and maintains tension on the belt.86 as it moves between these components, 024J in operation, whe3 ⁇ 4 the esgine is activated, the crankshaft pulley 92 is rotated by the engine 58, causing the drive belt 86 to drive the remaining pulleys in the system.
• the idler pulley 100 and roller 1 10 in the belt lensioner 94 maintain tension on the drive belt 86 as the belt mo ves.
• the hub rotates, causing fan blades (not shown) to rotate to cause air flow through the housing 12 to coo! the engine 58.
• a fluid pum for cooling the engine 58 can also be activated hy rotation of the hub 84, either in combination with or separatel trots a fan.
• the fluid can be water, hydraulic fluids, or other ty pes of fluids,
• the air compressor pulley 106 can he coupled to a clutch assembly 1 8 which is als driven by the belt 86, and which can. be engaged to drive a screw air compressor 68 to produce compressed air accessible at the valve 54, described above, and can be disengaged when the air compressor is not in vise.
• the clutch assembl 1 8 can be, fo example, a magnetic clutch assembly.
• the welding and compressor system ⁇ 0 described above therefore uses an engine and a single belt to drive a number of different systems to produce power, pro ide cooling using both air and fluid, and provide mechanical force for use in auxiliary- application, such as compressed air or pressurised fluids.
• This system provides a significant advantage as compared to prior a t systems, because there are a .reduced number of .moving parts, and reduced .maintenance requirements.
• equipment downtime ca also be reduced-
• the pulleys are rotatably coupled to ar» end of the engine 58, and in. a co-planar arrangement wherein the centers of each of .the -pulleys that receive the belt are in the same plane, the overall length of the welder combination 10 cau be reduced as compared to prior art devices.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Plasma & Fusion (AREA)
• Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
• Arc Welding Control (AREA)
• Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
• Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Priority Applications (4)

Applications Claiming Priority (4)

Publications (2)

Family

ID=51350411

Family Applications (1)

Country Status (6)

Families Citing this family (11)

Citations (7)

Family Cites Families (1)

• 2014
  • 2014-02-04 US US14/171,958 patent/US20140231400A1/en not_active Abandoned
  • 2014-02-08 JP JP2015558856A patent/JP2016510848A/ja active Pending
  • 2014-02-08 CA CA2890760A patent/CA2890760A1/en not_active Abandoned
  • 2014-02-08 EP EP14706430.7A patent/EP2959127A1/en not_active Withdrawn
  • 2014-02-08 CN CN201480008625.0A patent/CN105074163A/zh active Pending
  • 2014-02-08 WO PCT/US2014/015446 patent/WO2014130271A1/en not_active Ceased

Patent Citations (7)

Also Published As

Similar Documents

Legal Events