US10385848B2 - Air compressor - Google Patents

Air compressor Download PDF

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Publication number
US10385848B2
US10385848B2 US15/402,246 US201715402246A US10385848B2 US 10385848 B2 US10385848 B2 US 10385848B2 US 201715402246 A US201715402246 A US 201715402246A US 10385848 B2 US10385848 B2 US 10385848B2
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Prior art keywords
storage container
cylinder
air storage
air
coupling means
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US15/402,246
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US20170204845A1 (en
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Wen-San Chou
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22—Arrangements for enabling ready assembly or disassembly
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F15/00—Receptacles or boxes specially adapted for cigars, cigarettes, simulated smoking devices or cigarettes therefor
    • A24F15/12—Receptacles or boxes specially adapted for cigars, cigarettes, simulated smoking devices or cigarettes therefor for pocket use
    • A24F15/18—Receptacles or boxes specially adapted for cigars, cigarettes, simulated smoking devices or cigarettes therefor for pocket use combined with other objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/20—External fittings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/01—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being mechanical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1006—Adaptations or arrangements of distribution members the members being ball valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/121—Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122—Cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/123—Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/14—Provisions for readily assembling or disassembling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/1002—Ball valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/1085—Valves; Arrangement of valves having means for limiting the opening height
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
    • F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber

Definitions

  • the present invention relates to an air compressor and, more particularly, to an improved air compressor which includes a cylinder being fitted with a piston body and defining a plurality of exit holes of approximately equal dimension, so that compressed air produced in the cylinder may quickly enter an air storage container, so that the piston body can conduct reciprocating motion more smoothly and thus the performance of the air compressor can be increased.
  • an air compressor basically has a cylinder which allows a piston body to conduct reciprocating motion therein to produce compressed air which can overcome a valve mechanism, so that the compressed air can flow through an exit hole of the cylinder to enter the inner space of an air storage container or an air tank.
  • the air storage container is provided with outlets for delivering the compressed air to an object to be inflated.
  • the exit hole of the cylinder is controlled by a valve mechanism, which generally includes a plug and a compression spring, so that the exit hole can be opened or closed properly according to the pressure of the compressed air.
  • a valve mechanism which generally includes a plug and a compression spring, so that the exit hole can be opened or closed properly according to the pressure of the compressed air.
  • the compressed air produced in the cylinder can overcome the compressive force of the compression spring to enter the inner space of the air compressor.
  • the compressed air stored in the air storage container can exert a back force on the plug, thus restraining the plug being moved away from the exit hole.
  • the piston body which conducts reciprocating motion in the cylinder, will be subjected to greater resistance. Therefore, the piston body may not move smoothly in the cylinder, and thus the speed of inflating an object will become slow.
  • the motor of the air compressor may become too hot, thus decreasing the performance of the motor. Even worse, the motor may be under the risk of burning out.
  • the applicant intends to develop an improved air compressor which can solve the shortcomings of conventional air compressors.
  • One object of the present invention is to provide an improved air compressor, wherein a cylinder thereof defines a plurality of exit holes, through which a large amount of compressed air produced in the cylinder may enter an air storage container in a short time.
  • Another object of the present invention is to provide an improved air compressor, wherein a cylinder thereof is fitted with a piston body and defines a plurality of exit holes of approximately equal dimension, so that a large amount of compressed air produced in the cylinder may enter an air storage container in a short time. Since the compressed air can quickly enter the air storage container, the piston body can conduct reciprocating motion more smoothly and thus the performance of the air compressor and the speed of inflating an object can be increased.
  • FIG. 1 shows a 3-dimensional view of an air compressor according to one embodiment of the present invention.
  • FIG. 2 shows an exploded view of the air compressor.
  • FIG. 3 shows a plan view of the air compressor, wherein a plurality of exit holes defined at a cylinder thereof are revealed.
  • FIG. 4 shows a plan view of the air compressor, wherein a plurality of plugs being used to seal the exit holes are revealed.
  • FIG. 5 shows a 3-dimensional view of an air storage container used in the air compressor, wherein a plurality of columns provided at an inner surface of the air storage container are revealed.
  • FIG. 6 shows a plan view of the air compressor, wherein the air storage container is assembled onto the cylinder.
  • FIG. 7 shows a sectional view of the air compressor taken along line A-A in FIG. 6 .
  • FIG. 8 shows a plan view of the air compressor, wherein a gear and a piston body used in the air compressor are revealed.
  • FIG. 9 shows an exploded view of an air compressor according to another embodiment of the present invention.
  • FIG. 10 shows an exploded view of an air compressor according to a further embodiment of the present invention.
  • FIG. 11 shows an exploded view of an air compressor according to a still further embodiment of the present invention.
  • FIG. 12 shows an exploded view of an air compressor according to a yet still further embodiment of the present invention.
  • an air compressor according to one embodiment of the present invention is shown, which generally comprises a cylinder 2 fitted with a piston body 14 , and a main frame 11 for mounting a motor 12 which can rotate a gear 13 to drive the piston body 14 to conduct reciprocating motion for producing compressed air in the cylinder, which may enter an air storage container 3 provided with one or more outlets for supplying air to various devices.
  • the outlet 31 can be used for connecting with a pressure gauge 30
  • the outlet 33 can be used for connecting with a relief valve 32
  • the outlet 34 can be connected with a hose for inflating an object (not shown).
  • the air compressor is designed in a way different from conventional technology.
  • the cylinder 2 which defines three exit holes 4 , 5 , 6 at its top wall 21 , is formed of a plastic material, integrally with the main frame 11 .
  • the exit holes 4 , 5 , 6 are regulated by a control mechanism to be opened or closed.
  • the control mechanism includes a plurality of plugs 7 , 8 , 9 and a plurality of compression springs 71 , 81 , 91 , corresponding to plugs 7 , 8 , 9 .
  • the compression springs 71 , 81 , 91 can urge the plugs 7 , 8 , 9 to seal the exit holes 4 , 5 , 6 , respectively (see FIGS. 2, 4 and 7 ).
  • the cylinder 2 has a tubular projection 22 formed on the top wall 21 .
  • the tubular projection 22 is provided with a circular flange 221 at its outer surface and defines an annular groove 222 between the circular flange 221 and the top wall 21 .
  • the air storage container 3 is provided with two opposite coupling means 35 (see FIG.
  • each of which includes a base portion 351 extending outwardly from a bottom edge of the air storage container 3 , and an L-shaped holding portion 352 integrally formed at one end of the base portion 351 distal from the bottom edge of the air storage container 3 .
  • the air storage container 3 is provided at an inner surface thereof with a plurality of columns 37 , 38 , 39 corresponding to the compression springs 71 , 81 , 91 .
  • the column 37 has a base round portion 371 , a middle round portion 372 , and an end round portion 373 ;
  • the column 38 has a base round portion 381 , a middle round portion 382 , and an end round portion 383 ;
  • the column 39 has a base round portion 391 , a middle round portion 392 , and an end round portion 393 ; wherein the diameter of the base round portion 371 , 381 or 391 is greater than that of the corresponding middle round portion 372 , 382 or 392 , and the diameter of the middle round portion 372 , 382 or 392 is greater than that of the corresponding end round portion 373 , 383 or 393 .
  • each of the compression springs 71 , 81 , 91 has one end forcing against the corresponding plug 7 , 8 or 9 , and has another end being fitted around the middle round portion 372 , 382 or 392 of the corresponding column and forcing against the base round portion 371 , 381 or 391 of the corresponding column.
  • FIG. 1 shows the air storage container 3 being assembled onto the cylinder 2 .
  • the compressed air produced in the cylinder 2 can overcome the force of the compression springs 71 , 81 , 91 exerted on the plugs 7 , 8 , 9 , thus pushing the plugs 7 , 8 , 9 away from the exit holes 4 , 5 , 6 , respectively, so that the compressed air can flow into the inner space 36 of the air storage container 3 .
  • the air storage container 3 can be filled with a large amount of air in a short time.
  • the air contained in the air storage container 3 can exert a greater back force on the plugs 7 , 8 , 9 compared to the air initially contained in the air storage container 3 .
  • the piston body 14 may experience greater resistance in conducting reciprocating motion, and thus may cause the exit holes 4 , 5 , 6 more difficult to be opened.
  • the back force exerted on the plugs 7 , 8 , 9 will decrease and this allows the compressed air produced in the cylinder 2 to quickly enter the inner space 36 of the air storage container 3 .
  • the performance of the air compressor can be increased.
  • the air compressor can inflate an object more quickly.
  • FIG. 9 shows another embodiment of the present invention, wherein the tubular projection 22 is provided at its outer surface with two opposite lugs 23 each having an engagement section 231 .
  • the L-shaped holding portions 352 of the two coupling means 35 can engage with the engagement sections 231 of the two lugs 23 , so that the air storage container 3 can be detachably assembled onto the cylinder 2 .
  • FIG. 10 shows a further embodiment of the present invention, wherein the tubular projection 22 is provided at its outer surface with two opposite lugs 23 each having an engagement section 231 .
  • the L-shaped holding portions 352 of the two coupling means 35 can engage with the engagement sections 231 of the two lugs 23 , so that the air storage container 3 can be detachably assembled onto the cylinder 2 .
  • each of the two coupling means 35 further includes an operation portion 353 , which is a resilient member and integrally formed at one end of the base portion 351 distal from the bottom edge of the air storage container 3 and located at a side of the base portion 351 opposite to the L-shaped holding portion 352 .
  • a user may depress the operation portions 353 to have the L-shaped holding portions 352 disengaged from the lugs 23 , so that the air storage container 3 can be dissembled from the cylinder 2 conveniently when maintenance is required.
  • FIG. 11 shows a still further embodiment of the present invention, wherein the tubular projection 22 is provided at its outer surface with two opposite lugs 23 each having an engagement section 231 .
  • the L-shaped holding portions 352 of the two coupling means 35 can engage with the engagement sections 231 of the two lugs 23 , so that the air storage container 3 can be detachably assembled onto the cylinder 2 .
  • each of the two coupling means 35 further includes an operation portion 354 , which is a resilient member and extends from the L-shaped holding portion 352 in a direction opposite to the base portion 351 .
  • a user may pull the operation portions 354 outwardly from the cylinder 2 to have the L-shaped holding portions 352 disengaged from the lugs 23 , so that the air storage container 3 can be dissembled from the cylinder 2 easily when maintenance is required.
  • FIG. 12 shows a yet still further embodiment of the present invention, wherein the tubular projection 22 is provided at its outer surface with two opposite lugs 23 each having an engagement section 231 .
  • the tubular projection 22 is further provided at its outer surface with a first rectangular flange 24 which defines a plurality of first positioning holes 240 .
  • the air storage container 3 is further provided at its bottom edge with a second rectangular flange 355 which defines a plurality of second positioning holes 356 corresponding to the first positioning holes 240 of the first rectangular flange 24 .
  • the first and second flanges 24 , 355 can be attached together by fasteners fitted through the first and second positioning holes 240 , 356 . As such, the air storage container 3 can be assembled onto the cylinder 2 more securely.
  • the air compressor of the present invention has a breakthrough over the prior art in that the top wall 21 of the cylinder 2 defines a plurality of exit holes 4 , 5 , 6 , which are approximately equal in dimension and controlled by the plugs 7 , 8 , 9 to allow the compressed air produced in the cylinder 2 to quickly enter the inner space 36 of the air storage container 3 , so that the piston body 14 can conduct reciprocating motion more smoothly and thus the performance of the air compressor can be increased.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
US15/402,246 2016-01-14 2017-01-10 Air compressor Active 2037-05-13 US10385848B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
TW105101152 2016-01-14
TW105101152A TWI617741B (zh) 2016-01-14 2016-01-14 空氣壓縮機之汽缸出氣構造改良
TW105101152A 2016-01-14

Publications (2)

Publication Number Publication Date
US20170204845A1 US20170204845A1 (en) 2017-07-20
US10385848B2 true US10385848B2 (en) 2019-08-20

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Family Applications (1)

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US15/402,246 Active 2037-05-13 US10385848B2 (en) 2016-01-14 2017-01-10 Air compressor

Country Status (10)

Country Link
US (1) US10385848B2 (ja)
EP (1) EP3214309B1 (ja)
JP (2) JP3209542U (ja)
KR (1) KR101907148B1 (ja)
CN (2) CN206636741U (ja)
DE (1) DE202017100185U1 (ja)
DK (1) DK3214309T3 (ja)
HU (1) HUE049994T2 (ja)
PL (1) PL3214309T3 (ja)
TW (1) TWI617741B (ja)

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US10914298B2 (en) * 2018-08-09 2021-02-09 Unik World Industrial Co., Ltd. Structure of fixing bearing of air compressor

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TWI621776B (zh) * 2016-01-15 2018-04-21 Wen-San Chou 空壓機之汽缸出氣構造改良
TWI785623B (zh) * 2021-05-24 2022-12-01 周文三 空壓機之馬達結合定位裝置

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PL3214309T3 (pl) 2020-09-07
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US20170204845A1 (en) 2017-07-20
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TW201725323A (zh) 2017-07-16
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