US3573983A - Ultrasonic impact cleaners and methods of cleaning - Google Patents
Ultrasonic impact cleaners and methods of cleaning Download PDFInfo
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- US3573983A US3573983A US42036A US3573983DA US3573983A US 3573983 A US3573983 A US 3573983A US 42036 A US42036 A US 42036A US 3573983D A US3573983D A US 3573983DA US 3573983 A US3573983 A US 3573983A
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- solvent
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- cleaners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
Definitions
- This invention relates to ultrasonic impact cleaners and particularly to a cleaner apparatus and method in which objects to be cleaned are subjected to impact forces from a mass independent of the object to be cleaned of sufficient force to create mechanical shock waves within the object to be cleaned while immersed in an ultrasonically agitated solvent.
- I subject objects to be cleaned to impact forces from a mass independent of the article to be cleaned and of sufficient force to create mechanical shock waves within the object to be cleaned while simultaneously immersing said objects in an ultrasonically agitated solvent I preferably provide a wash tank containing solvent, means in said tank ultrasonically agitating said solvent, and impact means in said tank periodically impacting an object to be cleaned within 'said wash tank.
- a temperature controlling means is preferably provided in the tank to maintain the solvent at a ⁇ selected temperature.
- a vapor rinse tank is provided adjacent the wash tank with a vapor condenser extending around both the wash and rinse tank to prevent escape of solvent vapors.
- FIG. 1 is a front elevational view with panels open;
- FIG. 2 is a section on the line II-II of FIG. l;
- FIG. 3 is a top plan view of the apparatus of FIG. l.
- FIG. 1 I have illustrated a housing 10, containing a wash tank 11 and a vapor rinse tank 12 adjacent thereto and separated by a common wall 13.
- An immersible transducer 14 is provided in the bottom of the wash tank 11.
- the transducer 14 is connected to a generator 15 mounted in housing 10 of any usual design by conventional means.
- Heaters 16 are provided in the wash tank 11 and are connected to a source of electrical power by means of connections 17 and 18. The heaters are controlled by a tank thermostat 19.
- a pump 20 is connected by line 21 through strainer 2'2 to the bottom of tank 11 to deliver solvent from the tank 11 through manifold line 23 and valves 24, 25 and 26 to either the cooler 27 or the vapor rinse tank 12.
- the cooler 27 is cooled by circulating water from solenoid valve 28 at the cooling water inlet.
- the cooling Iwater is discharged at outlet '29.
- the vapor rinse tank 12 is provided with a heater 30 connected by terminals 31 to a source of power through safety reset thermostat 32.
- a vertically movable shaker table 33 is provided in the wash tank 11 and is movable in guides 34 on the sidewall of the tank.
- the table is connected by link 35 to a vertically movable slide assembly 36 mounted on and actuated by air cylinder 37 on housing 10 outside the tank 11.
- the air cylinder 37 is supplied with air from an external line 38 through a conventional air filter 39, pressure regulator 40 and lubricator unit 41.
- An article to be cleaned such as a motor block -42 is immersed into solvent in wash tank 11 above shaker table 33.
- the article 42 to be cleaned is lowered into solvent in wash tank 11 at a preselected temperature.
- the solvent is agitated by transducer 14 to provide ultrasonic solvent cleaning.
- the air cylinder 37 is cyclically operated to move the slide assembly 36 vertically up and down, carrying with it the table 33 which impacts against the article 42 at the top of each stroke. This combination of impact and ultrasonically agitated solvent quickly removes even the most stubborn grease and soil.
- a method of cleaning an object comprising the steps of subjecting the object to be cleaned to cyclic impact forces from a mass independent of the object to be cleaned of suicient force upon contact of said mass with said object to create mechanical shock waves within the object to be cleaned and simultaneously subjecting said object to an ultrasonically agitated solvent.
- An apparatus for cleaning an object to remove grease and particulate soil comprising a housing, a wash tank in said housing containing a solvent, means in said wash tank ultrasonically agitating said solvent, means for suspending said object to be cleaned in said solvent and impact means in said tank cyclically impacting said object with a mass independent of the object to be cleaned and of sufficient force upon contact of said mass with said object to create mechanical shock waves within the object to be cleaned.
Abstract
A METHOD FOR CLEANING BY SUBJECTING ARTICLES TO BE CLEANED SIMULATNEOUSLY TO IMPACT AND ULTRASONICALLY AGITATED SOLVENT. AN APPARATUS IS PROVIDED HAVING A WASH TANK CONTAINING SOLVENT, MEANS IN THE TANK ULTRASONICALLY AGITATING THE SOLVENT THEREIN AND MEANS IN THE TANK PERIODICALLY IMPACTING THE ARTICLES TO BE CLEANED WHILE THE SOLVENT IS ULTRASONICALLY AGITATED.
D R A W I N G
D R A W I N G
Description
April 6, 19.71l J. N. ANToNEvlcH ULTRASONIC IMPACT CLEANERS AND METHODS OF CLEANING Filed June 1, 1970 wllllmww T Q flvll l M I I fil-..
INVENTOR. John N. Anfonevich his ATTORNEYS United States Patent O 3,573,983 ULTRASONIC IMPACT CLEANERS AND METHODS F CLEANING .lohn N. Antonevich, Jamestown, N.Y., assignor to Blackstone Corporation Continuation-impart of application Ser. No. 730,261, May 20, 1968. This application .lune 1, 1970, Ser.
Int. Cl. B08b 7/02 U.S. Cl. 134-1 7 Claims ABSTRACT OF THE DISCLOSURE A method for cleaning by subjecting articles to be cleaned simultaneously to impact and ultrasonically agitated solvent. An apparatus is provided having a wash tank containing solvent, means in the tank ultrasonically agitating the solvent therein and means in the tank periodically impacting the articles to be cleaned while the `solvent is ultrasonically agitated.
This application is a continuation-in-part of -my copending application Ser. No. 730,261 led May 20, 1968.
This invention relates to ultrasonic impact cleaners and particularly to a cleaner apparatus and method in which objects to be cleaned are subjected to impact forces from a mass independent of the object to be cleaned of sufficient force to create mechanical shock waves within the object to be cleaned while immersed in an ultrasonically agitated solvent.
The use of ultrasonically agitated cleaning baths has been practiced for a considerable period of time. For example, various objects are cleaned of grease and soil by using ultrasonically agitated baths of solvents such as Freon and the like. There are, however, many instances where the rate of soil removal is excessively slow due to large amounts of impacted grease and soil. This is particularly true in the case of complex or laminar structures such as motor or engine blocks, motor stators, armatures, assembled transformer plates and the like. In such cases, the removal of grease and particulate soil is seldom successful by any presently practiced methods due to the slow rate of grease dissolution and the mechanical locking of particulate solids between tight surfaces.
I have found that impact forces independent of the object being cleaned in combination with ulrasonic forces in the presence of the usual'solvents will clean such structures rapidly and thoroughly whereas neither, alone, will accomplish thorough cleanliness without exposure of the structures to damaging or extremely long cleaning periods.
Preferably I subject objects to be cleaned to impact forces from a mass independent of the article to be cleaned and of sufficient force to create mechanical shock waves within the object to be cleaned while simultaneously immersing said objects in an ultrasonically agitated solvent. I preferably provide a wash tank containing solvent, means in said tank ultrasonically agitating said solvent, and impact means in said tank periodically impacting an object to be cleaned within 'said wash tank. A temperature controlling means is preferably provided in the tank to maintain the solvent at a `selected temperature. Preferably a vapor rinse tank is provided adjacent the wash tank with a vapor condenser extending around both the wash and rinse tank to prevent escape of solvent vapors.
In the foregoing general description of my invention I have set out certain objects, purposes and advantages of my invention. Other objects, purposes and advantages of the invention will be apparent from a consideration of the following description and the accompanying drawings in which:
3,573,983 Patented Apr. 6, 1971 rice FIG. 1 is a front elevational view with panels open;
FIG. 2 is a section on the line II-II of FIG. l;
FIG. 3 is a top plan view of the apparatus of FIG. l.
Referring to the drawings I have illustrated a housing 10, containing a wash tank 11 and a vapor rinse tank 12 adjacent thereto and separated by a common wall 13. An immersible transducer 14 is provided in the bottom of the wash tank 11. The transducer 14 is connected to a generator 15 mounted in housing 10 of any usual design by conventional means. Heaters 16 are provided in the wash tank 11 and are connected to a source of electrical power by means of connections 17 and 18. The heaters are controlled by a tank thermostat 19. A pump 20 is connected by line 21 through strainer 2'2 to the bottom of tank 11 to deliver solvent from the tank 11 through manifold line 23 and valves 24, 25 and 26 to either the cooler 27 or the vapor rinse tank 12. The cooler 27 is cooled by circulating water from solenoid valve 28 at the cooling water inlet. The cooling Iwater is discharged at outlet '29.
The vapor rinse tank 12 is provided with a heater 30 connected by terminals 31 to a source of power through safety reset thermostat 32.
A vertically movable shaker table 33 is provided in the wash tank 11 and is movable in guides 34 on the sidewall of the tank. The table is connected by link 35 to a vertically movable slide assembly 36 mounted on and actuated by air cylinder 37 on housing 10 outside the tank 11. The air cylinder 37 is supplied with air from an external line 38 through a conventional air filter 39, pressure regulator 40 and lubricator unit 41. An article to be cleaned such as a motor block -42 is immersed into solvent in wash tank 11 above shaker table 33.
In operation the article 42 to be cleaned is lowered into solvent in wash tank 11 at a preselected temperature.
v The solvent is agitated by transducer 14 to provide ultrasonic solvent cleaning. At the same time as the solvent is agitated the air cylinder 37 is cyclically operated to move the slide assembly 36 vertically up and down, carrying with it the table 33 which impacts against the article 42 at the top of each stroke. This combination of impact and ultrasonically agitated solvent quickly removes even the most stubborn grease and soil.
While I have illustrated and described certain preferred practices and embodiments of my invention in the foregoing specification, it will be understood that this invention may be otherwise embodied within the scope of the following claims.
I claim:
1. A method of cleaning an object comprising the steps of subjecting the object to be cleaned to cyclic impact forces from a mass independent of the object to be cleaned of suicient force upon contact of said mass with said object to create mechanical shock waves within the object to be cleaned and simultaneously subjecting said object to an ultrasonically agitated solvent.
2. The method as claimed in claim 1 wherein the solvent is maintained at a substantially constant temperature.
3. An apparatus for cleaning an object to remove grease and particulate soil comprising a housing, a wash tank in said housing containing a solvent, means in said wash tank ultrasonically agitating said solvent, means for suspending said object to be cleaned in said solvent and impact means in said tank cyclically impacting said object with a mass independent of the object to be cleaned and of sufficient force upon contact of said mass with said object to create mechanical shock waves within the object to be cleaned.
4. An apparatus as claimed in claim 3 wherein heating means are provided in said tank for heating said solvent.
5. An apparatus as claimed in claim 3 wherein the means for ultrasonically agitating the solvent is a transducer fixed to the bottom of the wash tank.
wash tank.
7. An apparatus as claimed in claim 6 wherein a coolant coil extends along the top` of the Wash tank and the vapor rinse tank.
References Cited UNITED STATES PATENTS Bodine 134-1UX Henry 134--1UX Kearney 134-1 Kearney 134--1 Zucker 134-1X 4 4/ 1962 Edhofer et a1 134-1X 1/1966 Murdoch 134--1X 2/1969 Branson 134-1 `6/ 1969 Isaacson 13'4-1X FOREIGN PATENTS 4/ 1963 Great Britain 134-1 U.S. Cl. X.R.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US4203670A | 1970-06-01 | 1970-06-01 |
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US3573983A true US3573983A (en) | 1971-04-06 |
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US42036A Expired - Lifetime US3573983A (en) | 1970-06-01 | 1970-06-01 | Ultrasonic impact cleaners and methods of cleaning |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4194922A (en) * | 1977-04-18 | 1980-03-25 | Rederiaktiebolaget Nordstjernan | Method and apparatus for ultrasonic cleaning of component parts |
US4372787A (en) * | 1981-07-06 | 1983-02-08 | Fields John T | Method for ultrasonic cleaning of radiators |
US4381577A (en) * | 1981-09-17 | 1983-05-03 | United Technologies Corporation | Vibrator for removing particulate material from the cavity of an article |
US4672984A (en) * | 1984-06-07 | 1987-06-16 | Canon Kabushiki Kaisha | Ultrasonic wave cleaning apparatus and method |
US5038808A (en) * | 1990-03-15 | 1991-08-13 | S&K Products International, Inc. | High frequency ultrasonic system |
US5113881A (en) * | 1989-06-25 | 1992-05-19 | Israel Lin | Dynamic ultrasonic cleaning and disinfecting device and method |
-
1970
- 1970-06-01 US US42036A patent/US3573983A/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4194922A (en) * | 1977-04-18 | 1980-03-25 | Rederiaktiebolaget Nordstjernan | Method and apparatus for ultrasonic cleaning of component parts |
US4372787A (en) * | 1981-07-06 | 1983-02-08 | Fields John T | Method for ultrasonic cleaning of radiators |
US4381577A (en) * | 1981-09-17 | 1983-05-03 | United Technologies Corporation | Vibrator for removing particulate material from the cavity of an article |
US4672984A (en) * | 1984-06-07 | 1987-06-16 | Canon Kabushiki Kaisha | Ultrasonic wave cleaning apparatus and method |
US5113881A (en) * | 1989-06-25 | 1992-05-19 | Israel Lin | Dynamic ultrasonic cleaning and disinfecting device and method |
US5038808A (en) * | 1990-03-15 | 1991-08-13 | S&K Products International, Inc. | High frequency ultrasonic system |
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