US2911665A - Tube cleaning device - Google Patents

Tube cleaning device Download PDF

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Publication number
US2911665A
US2911665A US553993A US55399355A US2911665A US 2911665 A US2911665 A US 2911665A US 553993 A US553993 A US 553993A US 55399355 A US55399355 A US 55399355A US 2911665 A US2911665 A US 2911665A
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US
United States
Prior art keywords
brush
shaft
cleaning device
solvent
fog
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
Application number
US553993A
Inventor
Edward J Mackiewicz
Arthur L Lindow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cleveland Pneumatic Industries Inc
Original Assignee
Cleveland Pneumatic Industries Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cleveland Pneumatic Industries Inc filed Critical Cleveland Pneumatic Industries Inc
Priority to US553993A priority Critical patent/US2911665A/en
Application granted granted Critical
Publication of US2911665A publication Critical patent/US2911665A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
    • A46B13/04—Brushes with driven brush bodies or carriers power-driven carriers with reservoir or other means for supplying substances
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A46B15/0016—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means
    • A46B15/0026—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means with a magnetic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/045—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices being rotated while moved, e.g. flexible rotating shaft or "snake"
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing
    • A46B2200/3006—Brushes for cleaning bottles or hollow containers
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing
    • A46B2200/3073—Brush for cleaning specific unusual places not otherwise covered, e.g. gutters, golf clubs, tops of tin cans, corners

Definitions

  • This invention relates to cleaning devices in general and more particularly to -a new and improved rotary brush adapted to clean tubes, cylinder bores and the like.
  • Figure 1 is a side elevation partially in longitudinal section disclosing the preferred cleaning device according to this invention as it would be used to clean the bore of a cylinder;
  • Figure 2 is an enlarged view partially in longitudinal section showing the fog producing means
  • Figure 3 is a fragmentary enlarged view in longitudinal section of the brush showing the magnet mounted therein.
  • a cleaning device provides a grease solvent in a fog form which thoroughly wets the wall of a tube or the like which is to be cleaned.
  • the device also provides mechanical scrubbing to assist the solvent in loosening grease or any other foreign matter so that it may be flushed out of the tube by the solvent. This alone is not always sufficient since fine particles of metal left by the machining operation are often present. These small particles usually retain a small amount of residual magnetism which is developed by the cutting operation which causes the particles to adhere to the walls of the tube and defy the flushing action. We therefore provide a magnet mounted within the brush which will attract the metallic particles away from the tube, imbed them in the brush and retain them there as the brush is withdrawn.
  • Figure 1 shows the preferred cleaning device as it would be used in cleaning the walls of a tubular member which in this case is a cylinder 10.
  • the cylinder has an internal cylinder wall 11 which must be cleaned very efficiently so that a cooperating piston (not shown) will not wear unnecessarily as it slides along the cylinder wall 11.
  • a rotary cleaning device which includes an air motor 12 driving a hollow shaft 13 and a brush 14 mounted thereon. The air motor is supplied with air pressure through a pressure line 15 and a control valve 15 and rotates the shaft 13 and-brush 14 which in turn scours the wall 11 of the cylinder 10.
  • the shaft 13 is formed with a central bore 16 through which the solvent fog passes to the brush 14.
  • the exhaust ports 17 of the air motor 12 are arrangedso that the exhaust air from the motor flows through a nozzle 18 alignedwith the bore 16.
  • a mounting member 19, on which the shaft 13 is mounted, is formed with a chamberZl around the nozzle 18.
  • Mineral spirits or other solvents are supplied through a hose 22 which connects to an annular chamber 23 around the mounting member 19 adjacent to the chamber 21. Fluid communication is provided between the chamber 21 and the annular chamber 23 through radial ports 24 so that the mineral spirits flow into the chamber 21.
  • the jet of exhaust air through the nozzle 18 entrains and atomizes the solvent and carries it down the bore 16 as a fog.
  • the brush 14 is supported on the shaft 13 'by a threaded ring member 26 which is locked against a collar 27 formed on the shaft 13 by a core member 28 which-is in turn threaded onto the shaft 13.
  • The'brush 14 itselfis made up of a plurality of 'U-shaped brush elements which cooperate to form a cup shaped brush around the core member 28.
  • the core member 28' is formed with a plurality of ports 29 through which the mixture of exhaust air from the motor 12 and atomized solvent passes frorn 'the bore 16 outwardly through the brush 14.
  • the fog solvent is supplied directly to the walls 11 being cleaned by the brush 14.
  • a coil of wire 31 is wound around the core 28 to form a magnet within the brush 14.
  • lead wires 32 which extend through the bore 16 to a pair of slip rings (not shown) within the end member 33.
  • the slip rings are in turn connected to a source of electrical power through wires 34.
  • electrical power may be supplied to the rotating magnet through the rotating shaft 13.
  • air pressure is supplied to the valve 15 through the pressure line 15, and mineral spirits are supplied to the chamber 21 through the hose 22.
  • the brush 14 is inserted into the cylinder 10 and the valve 15' is opened. This causes the airmotor 12 to rotate the brush 14 and pass exhaust air through the bore 16 in the shaft 13 to the brush 14.
  • the exhaust air passing through the nozzle 18 causes the mineral spirits within the chamber 21 to be atomized to form a fog of solvent which passes through the shaft 13 to the brush 14.
  • the fog wets the surface 11 of the cylinder 10 and with the as- 'sistance of the brush 14 loosens the grease or other foreign matter from the wall 11.
  • the solvent then carries the foreign matter and grease out of the cylinder through the open end thereof.
  • any small metallic particles which tend to adhere to the surface 11 due to their residual magnetism are attracted into the bristles of the brush by the magnet and retained there as the brush is withdrawn from the cylinder. After the brush is withdrawn from the cylinder, the magnet is de-energized and the brush rotated so that the centrifugal force and the action of the fog will automatically clean'the brush.
  • a cleaning device comprising a rotary compressed air motor drivingly connected to one end of an elongated hollow drive shaft, a brush adapted to be inserted in cylindrical openings, said brush being mounted on the end of said shaft remote from said motor for rotation by said motor through its connection to said shaft, said motor providing exhaust air, a nozzle in the end of said shaft adjacent to said motor through which said exhaust air flows, a non-rotating housing around said shaft adjacent to said nozzle formed with. an annular cavity adapted to be filled with liquid solvent, said shaft being formed with a passage'connecting said cavity and the interior of said shaft adjacent to said nozzle through which said liquid solvent flows into said shaft wherein it is mixed with exhaust air forming a liquid solvent fog mixture, said exhaust air carrying said fog mixture along said shaft to said brush.
  • a cleaning device comprising a rotary compressed air motor drivingly connected to one end of ail-elongated hollow drive shaft, a brush adapted to be inserted in cylindrical openings, said brush being mounted on the end of said shaft remote from said motor for rotation by said motor through its connection to said shaft, said motor providing exhaust air, a nozzle in the end of said shaft adjacent to said motor through which said exhaust air flows, a non-rotating housing around said shaft adjacent to said nozzle formed with an annular cavity adapted to be filled with liquid solvent, said Shaft being formed with a passage connecting said cavity and the interior of said shaft adjacent to said nozzle through which said liquid solvent flows into said shaft wherein it is mixed with exhaust air forming a liquid solvent fog mixture, said exhaust air carrying said fog mixture along said shaft'to said brush, and an electro magnet within said brush adapted to attract metal particles into said brush.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)

Description

Nov. 10, 1959 E. J. MACKIEWICZ ETAL 2,911,665
TUBE CLEANING DEVICE Filed Dec. 19, 1955 INVENTOR. EDWARD J. MAOKIEWIOZ BY ARTHUR L.LINDOW A rromvsy United States Patent lice TUBE CLEANING DEVICE Edward J. Mackievvicz, Garfieldfand Arthur L. Lindow,
Solon, Ohio, assignors to Cleveland Pneumatic Industries, Inc, Cleveland, Ohio, a corporation of Ohio Application December 19, 1955,'Serial.N0. 553,993 z claims. (Cl. 15 -321 This invention relates to cleaning devices in general and more particularly to -a new and improved rotary brush adapted to clean tubes, cylinder bores and the like.
It is an important object of this invention to' provide a rotary brush particularly suited for cleaning tubes, the bores of cylinders or other hollow articles to remove grease, grit and metallic particles therefrom.
' It is another important'object of this invention to provide a power driven rotary brush which supplies a fog of cleaning solvent at the working area of the brush sothat grease and foreign matter will be loosened and flushed outof the article being cleaned. v
It is still, another objectof this invention to provide a rotary brushfor"cleaning boresand the like in combination with a magnetwhich picks upand removes metal- It is "still" "a further object'of this inve'ntion'to provide a tube or bore cleaning device which combines a rotary brush to scour the surface of the bore, a magnet which picks up and retains magnetic particles and means to supply a solvent in the form of fog at the brush working area.
Further objects and advantages will appear from the following description and drawings, wherein;
Figure 1 is a side elevation partially in longitudinal section disclosing the preferred cleaning device according to this invention as it would be used to clean the bore of a cylinder;
Figure 2 is an enlarged view partially in longitudinal section showing the fog producing means; and,
Figure 3 is a fragmentary enlarged view in longitudinal section of the brush showing the magnet mounted therein.
A cleaning device according to this invention provides a grease solvent in a fog form which thoroughly wets the wall of a tube or the like which is to be cleaned. The device also provides mechanical scrubbing to assist the solvent in loosening grease or any other foreign matter so that it may be flushed out of the tube by the solvent. This alone is not always sufficient since fine particles of metal left by the machining operation are often present. These small particles usually retain a small amount of residual magnetism which is developed by the cutting operation which causes the particles to adhere to the walls of the tube and defy the flushing action. We therefore provide a magnet mounted within the brush which will attract the metallic particles away from the tube, imbed them in the brush and retain them there as the brush is withdrawn.
For a clear understanding of the details of the structure and the operation, reference should be made to the drawings wherein Figure 1 shows the preferred cleaning device as it would be used in cleaning the walls of a tubular member which in this case is a cylinder 10. The cylinder has an internal cylinder wall 11 which must be cleaned very efficiently so that a cooperating piston (not shown) will not wear unnecessarily as it slides along the cylinder wall 11. To clean the wall 11 we provide a rotary cleaning device which includes an air motor 12 driving a hollow shaft 13 and a brush 14 mounted thereon. The air motor is supplied with air pressure through a pressure line 15 and a control valve 15 and rotates the shaft 13 and-brush 14 which in turn scours the wall 11 of the cylinder 10.
Referring to Figure 2, the shaft 13 is formed with a central bore 16 through which the solvent fog passes to the brush 14. The exhaust ports 17 of the air motor 12 are arrangedso that the exhaust air from the motor flows through a nozzle 18 alignedwith the bore 16. A mounting member 19, on which the shaft 13 is mounted, is formed with a chamberZl around the nozzle 18. Mineral spirits or other solvents are supplied through a hose 22 which connects to an annular chamber 23 around the mounting member 19 adjacent to the chamber 21. Fluid communication is provided between the chamber 21 and the annular chamber 23 through radial ports 24 so that the mineral spirits flow into the chamber 21. The jet of exhaust air through the nozzle 18 entrains and atomizes the solvent and carries it down the bore 16 as a fog.
Referring to Figure 3, the brush 14 is supported on the shaft 13 'by a threaded ring member 26 which is locked against a collar 27 formed on the shaft 13 by a core member 28 which-is in turn threaded onto the shaft 13. The'brush 14 itselfis made up of a plurality of 'U-shaped brush elements which cooperate to form a cup shaped brush around the core member 28. The core member 28' is formed with a plurality of ports 29 through which the mixture of exhaust air from the motor 12 and atomized solvent passes frorn 'the bore 16 outwardly through the brush 14. Thus the fog solvent is supplied directly to the walls 11 being cleaned by the brush 14.
A coil of wire 31 is wound around the core 28 to form a magnet within the brush 14. In order to supply electrical power to the magnet, we provide lead wires 32 which extend through the bore 16 to a pair of slip rings (not shown) within the end member 33. The slip rings are in turn connected to a source of electrical power through wires 34. Thus electrical power may be supplied to the rotating magnet through the rotating shaft 13.
In operation air pressure is supplied to the valve 15 through the pressure line 15, and mineral spirits are supplied to the chamber 21 through the hose 22. The brush 14 is inserted into the cylinder 10 and the valve 15' is opened. This causes the airmotor 12 to rotate the brush 14 and pass exhaust air through the bore 16 in the shaft 13 to the brush 14. The exhaust air passing through the nozzle 18 causes the mineral spirits within the chamber 21 to be atomized to form a fog of solvent which passes through the shaft 13 to the brush 14. The fog wets the surface 11 of the cylinder 10 and with the as- 'sistance of the brush 14 loosens the grease or other foreign matter from the wall 11. The solvent then carries the foreign matter and grease out of the cylinder through the open end thereof. Any small metallic particles which tend to adhere to the surface 11 due to their residual magnetism are attracted into the bristles of the brush by the magnet and retained there as the brush is withdrawn from the cylinder. After the brush is withdrawn from the cylinder, the magnet is de-energized and the brush rotated so that the centrifugal force and the action of the fog will automatically clean'the brush.
2,91 1,665 Patented N03 '10, 1959 Thoseskilled in the artwill recognize that a cleaning device according to this invention insures that all the foreign matter is removed from the cylinder or other tubular member since the brush and solvent will remove all non-magnetic particles andthe magnet removes the magnetic particles which tend to adhere to the cylinder wall and defy normal brushing.
Although a preferred embodiment -of this invention is illustrated, it will be realized that various modifications of the structural details may be made without departing from the mode of operation and the essence of the invention. Therefore, except insofar as they are claimed in the appended claims, structural details may be varied widely without modifying the mode of operation. Accordingly, the appended claims and not the aforesaid detailed description are determinative of the scope of the invention.
We claim:
1. A cleaning device comprising a rotary compressed air motor drivingly connected to one end of an elongated hollow drive shaft, a brush adapted to be inserted in cylindrical openings, said brush being mounted on the end of said shaft remote from said motor for rotation by said motor through its connection to said shaft, said motor providing exhaust air, a nozzle in the end of said shaft adjacent to said motor through which said exhaust air flows, a non-rotating housing around said shaft adjacent to said nozzle formed with. an annular cavity adapted to be filled with liquid solvent, said shaft being formed with a passage'connecting said cavity and the interior of said shaft adjacent to said nozzle through which said liquid solvent flows into said shaft wherein it is mixed with exhaust air forming a liquid solvent fog mixture, said exhaust air carrying said fog mixture along said shaft to said brush. .7
2. A cleaning device comprising a rotary compressed air motor drivingly connected to one end of ail-elongated hollow drive shaft, a brush adapted to be inserted in cylindrical openings, said brush being mounted on the end of said shaft remote from said motor for rotation by said motor through its connection to said shaft, said motor providing exhaust air, a nozzle in the end of said shaft adjacent to said motor through which said exhaust air flows, a non-rotating housing around said shaft adjacent to said nozzle formed with an annular cavity adapted to be filled with liquid solvent, said Shaft being formed with a passage connecting said cavity and the interior of said shaft adjacent to said nozzle through which said liquid solvent flows into said shaft wherein it is mixed with exhaust air forming a liquid solvent fog mixture, said exhaust air carrying said fog mixture along said shaft'to said brush, and an electro magnet within said brush adapted to attract metal particles into said brush.
References Cited in the tile of this patent UNITED STATES PATENTS 1,240,017 Benedict Sept. 11, 1917 1,383,291 Divirglio July 2, 1921 1,410,660 Duclos Mar; 28, 1922 1,414,605 To lookjian May2, 1922 1,449,198 Rutherford Mar. 20, 1923 1,458,612 Berkshire June 12, 1923 2,270,579 Chamberlin et a1. I an. 20, 1942 2,288,115 Soldanels June 30, 1942 2,549,529 Sandlin Apr. 17, 1951 2,632,191 Grafani et all Mar. 24, 1953 2,659,915 Sears NOV. 24, 1953 2,719,994 Dorsey l 1 Oct. 11, 1955 FOREIGN PATENTS Germany Nov. 23, 1953
US553993A 1955-12-19 1955-12-19 Tube cleaning device Expired - Lifetime US2911665A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165179A (en) * 1976-08-19 1979-08-21 Nippon Precision Optical Instrument Co., Ltd. Device for wiping optical window in turbidimeter or similar optical instrument for examining liquid sample
US4461051A (en) * 1982-09-01 1984-07-24 The Singer Company Apparatus for cleaning stator windings
US4468834A (en) * 1981-05-16 1984-09-04 Klaus David Cleaning apparatus for machine spindles
US5402548A (en) * 1993-03-31 1995-04-04 Adair; Michael A. Duct cleaning apparatus
US20080250584A1 (en) * 2007-04-11 2008-10-16 Farkas Robert J Construction container cleaning apparatus and method of making and using same
US8246751B2 (en) 2010-10-01 2012-08-21 General Electric Company Pulsed detonation cleaning systems and methods
US20130276248A1 (en) * 2010-09-20 2013-10-24 Ali Waqar Majeed Cleaning device
US20150082580A1 (en) * 2010-11-04 2015-03-26 Wafertech, Llc Turbine powered cleaning apparatus
CN104772309A (en) * 2015-05-08 2015-07-15 唐传惠 Pipeline cleaning device
US11213119B1 (en) * 2019-12-17 2022-01-04 Nasir Mohammed Cup holder cleaning tool

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1240017A (en) * 1916-11-09 1917-09-11 Frank Lee Benedict Paint-brush.
US1383291A (en) * 1921-01-15 1921-07-05 Divirglio Ignazio Fire-tube cleaner
US1410660A (en) * 1921-04-09 1922-03-28 Clarence E Duclos Magnetic brush for cleaning talking-machine records
US1414605A (en) * 1921-06-01 1922-05-02 Tolookjian Richard Rotary washer
US1449198A (en) * 1921-10-10 1923-03-20 Harry K Rutherford Fountain brush
US1458612A (en) * 1922-02-15 1923-06-12 Clarence R Berkshire Cleaning tool
US2270579A (en) * 1939-05-19 1942-01-20 John W Chamberlin Cleaning device
US2288115A (en) * 1941-03-12 1942-06-30 Cecil S Soldanels Vacuum sweeper
US2549529A (en) * 1947-11-10 1951-04-17 Alfred V Sandlin Magnetic chip collector for grinders
US2632191A (en) * 1947-04-28 1953-03-24 Small Turbine Corp Water turbine operated rotary fountain brush
DE897694C (en) * 1951-11-17 1953-11-23 Karl G Pardo De Leygonie Method and device for mechanical simultaneous removal of groups of index cards
US2659915A (en) * 1946-10-28 1953-11-24 Craftmaster Mfg Co Inc Portable device for scrubbing and rinsing automobile bodies and the like
US2719994A (en) * 1952-03-06 1955-10-11 James J Mcbride Mechanical window cleaner

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1240017A (en) * 1916-11-09 1917-09-11 Frank Lee Benedict Paint-brush.
US1383291A (en) * 1921-01-15 1921-07-05 Divirglio Ignazio Fire-tube cleaner
US1410660A (en) * 1921-04-09 1922-03-28 Clarence E Duclos Magnetic brush for cleaning talking-machine records
US1414605A (en) * 1921-06-01 1922-05-02 Tolookjian Richard Rotary washer
US1449198A (en) * 1921-10-10 1923-03-20 Harry K Rutherford Fountain brush
US1458612A (en) * 1922-02-15 1923-06-12 Clarence R Berkshire Cleaning tool
US2270579A (en) * 1939-05-19 1942-01-20 John W Chamberlin Cleaning device
US2288115A (en) * 1941-03-12 1942-06-30 Cecil S Soldanels Vacuum sweeper
US2659915A (en) * 1946-10-28 1953-11-24 Craftmaster Mfg Co Inc Portable device for scrubbing and rinsing automobile bodies and the like
US2632191A (en) * 1947-04-28 1953-03-24 Small Turbine Corp Water turbine operated rotary fountain brush
US2549529A (en) * 1947-11-10 1951-04-17 Alfred V Sandlin Magnetic chip collector for grinders
DE897694C (en) * 1951-11-17 1953-11-23 Karl G Pardo De Leygonie Method and device for mechanical simultaneous removal of groups of index cards
US2719994A (en) * 1952-03-06 1955-10-11 James J Mcbride Mechanical window cleaner

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165179A (en) * 1976-08-19 1979-08-21 Nippon Precision Optical Instrument Co., Ltd. Device for wiping optical window in turbidimeter or similar optical instrument for examining liquid sample
US4468834A (en) * 1981-05-16 1984-09-04 Klaus David Cleaning apparatus for machine spindles
US4461051A (en) * 1982-09-01 1984-07-24 The Singer Company Apparatus for cleaning stator windings
US5402548A (en) * 1993-03-31 1995-04-04 Adair; Michael A. Duct cleaning apparatus
US20080250584A1 (en) * 2007-04-11 2008-10-16 Farkas Robert J Construction container cleaning apparatus and method of making and using same
US20130276248A1 (en) * 2010-09-20 2013-10-24 Ali Waqar Majeed Cleaning device
US9480330B2 (en) * 2010-09-20 2016-11-01 Ali Waqar Majeed Cleaning device
US8246751B2 (en) 2010-10-01 2012-08-21 General Electric Company Pulsed detonation cleaning systems and methods
US20150082580A1 (en) * 2010-11-04 2015-03-26 Wafertech, Llc Turbine powered cleaning apparatus
CN104772309A (en) * 2015-05-08 2015-07-15 唐传惠 Pipeline cleaning device
US11213119B1 (en) * 2019-12-17 2022-01-04 Nasir Mohammed Cup holder cleaning tool

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