US3198387A - Treating agent dispensing means - Google Patents

Treating agent dispensing means Download PDF

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Publication number
US3198387A
US3198387A US345432A US34543264A US3198387A US 3198387 A US3198387 A US 3198387A US 345432 A US345432 A US 345432A US 34543264 A US34543264 A US 34543264A US 3198387 A US3198387 A US 3198387A
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US
United States
Prior art keywords
reservoir
housing
wash chamber
wash
treating agent
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
US345432A
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English (en)
Inventor
Norman L Kendt
Jr John A Dicken
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to US345432A priority Critical patent/US3198387A/en
Priority to CH105665A priority patent/CH422248A/de
Priority to NL6501804A priority patent/NL6501804A/xx
Priority to GB6465/65A priority patent/GB1093594A/en
Priority to SE1960/65A priority patent/SE310242B/xx
Priority to DE19651503788 priority patent/DE1503788A1/de
Priority to DK83265AA priority patent/DK105523C/da
Priority to FR5891A priority patent/FR1424843A/fr
Application granted granted Critical
Publication of US3198387A publication Critical patent/US3198387A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4418—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of liquids

Definitions

  • This invention relates generally to automatic washing machines and, more specifically, to a treating agent dispensing means for an automatic washing machine.
  • the present invention is particularly useful as a rinse aid injector for an automatic dishwasher, although obviously not limited in usefulness to such an application.
  • a rinse aid, or wetting agent is injected into the Wash chamber of a dishwasher during the final rinse to minimize spotting of the dishes, and particularly the glassware, as the dishes are dried following. the rinse.
  • the broad concept of injecting a rinse aid at this point in a dishwasher cycle is not new and many devices have been heretofore proposed for accomplishing this. However, the devices heretofore proposed involve costly solenoids, require refilling after each operation, or do not allow selectivity of operation.
  • the most common rinse aid injector in use today includes a very expensive solenoid to operate the metering or dispensing mechanism. Since a solenoid is used, there is also an additional switch required in the sequence control means. Moreover, the solenoid operated device does not provide selectivity of operation without the employment of a second additional switch to override the switch in the sequence control means. Selectivity, as used herein, means the ability to operate the dishwasher through a full cycle with, or without, rinse aid being injected at the selection of the user. With a solenoid operated dispenser, it is necessary to position an additional selection switch in electrical series with the solenoid to override the sequence control means switch in the event it is desired to omit the dispensing during a particular wash cycle.
  • a treating agent dispensing means for use in an automatic washing machine having a wash chamber adapted to contain articles to be washed therein, wash means to efiect a washing action upon the articles, and sequence control means to conduct the machine through a sequence of operations comprising a wash cycle.
  • the dispensing means includes a reservoir adapted to contain several times the quantity of agent dispensed with each operation of the dispensing means.
  • a metering means is provided to meter a predetermined quantity of 3,l98,387 Patented Aug. 3, 1965 agent and direct it from the reservoir into the wash chamber.
  • Energy storing means are associated with the meters ing means such that release of the energy stored by the storing means causes operation of the metering means.
  • Manually operable means are provided to energize the energy storing means and the energy storing means are adapted to be released by the sequence control means to thereby cause dispensing of the agent into the washing chamber. It should be noted that with the above-described arrangement, the dispensing means will not operate unless it has been manually energized. Therefore, the operator of the automatic washing machine can select the cycle during which the dispensing means will operate by manipulating the manually operable means.
  • FIGURE 1 is a side View, partially cut awayto show details, of a top-opening portable dishwasher employing the present invention
  • FIGURE 2 is an elevational view of the treating agent dispensing means of the present invention.
  • FIGURE 3 is a sectional view taken along line 3-3 of FIGURE 2;
  • FIGURE 4 is a sectional view taken along line 44 of FIGURE 3; r
  • FIGURE 5 is a sectional view taken along line 55 of FIGURE 3 and FIGURE 6 is a partial view similar to FIGURE 2 showing the treating agent dispenser in a diiferent step of its operation.
  • an automatic washing machine in the form of a portable dishwasher 10 having an outer cabinet 11 which, in cooperation with a. bottom .wall 12 and a top wall 13, forms a wash chamber 14. Disposed within wash chamber 14 are dish supporting racks 15 and 16. Dish supporting rack 16 is divided into two sections, a stationary rear section 17 and a movable front section 18.
  • a closure member 19, of which top wall 13 forms the inner surface, is provided to allow access to wash chamber 14.
  • Closure member 19 pivots about a hinge member 26 when opened or closed.
  • Bracket 21 interconnects front section 18 of rack 16 with closure member 19 such that, when closure member 19 is opened, section 18 moves upwardly and rearwardly to overlie section 17.
  • An arm 22, hingedly connected to section 18 at point 23 and also hingedly connected to cabinet 11 at point 2 4, is provided to control tipping of section 18 as it is moved.
  • the rack 15, and its association with closure member 19, does not form a material part of the present invention and may be substantially as described and claimed in US. Patent No. 3,087,769, issued'to Lauren W. Guth on April 30, 1963, and assigned to the General Electric Company, assignee of the present invention.
  • Bottom wall 12 has a centrally depressed portion forming a sump 25 so that any liquid within chamber 14 will collect therein.
  • Motor-pump unit 26 includes an electric drive motor 27 and a pump 28.
  • Pump 28 has an inlet 29 which draws fluids fromvsump 25 and, in one direction of rotation of motor 27, pumps this fluid up through spray arm 30 and spray tube 31. In this same direction of rotation of motor 17, pump 28 also pumps liquid through conduit 32, Which interconnects with conduit 33 at coupling 34.
  • the fluid pumped into conduit 32 is ejected from spray device 35, rotatably secured to closure member 19.
  • pump 28 draws wash fluids from sump and propels 'them through effluent discharge outlet 36 which communicates with a normal household sewer system (not shown.
  • An electrical resistance heating element 37 may be provided in wash chamber 14 for the purpose of heating the wash fluids therein or facilitating the drying of dishware supported by rack 15 and 16 upon completion of the washing and rinsing thereof.
  • member 38 Attached to the front side of cabinet 11 is member 38 which, due to its spaced relationship with the front side of cabinet 11, forms an enclosure 39 which houses such elements as a sequence control means 40 (FIGURE 2) and the treating agent dispensing means 41 of the present invention.
  • the treating agent dispensing means 41 includes a reservoir 42, the interior of which communicates with a fill tube 43.
  • fill tube 43 extends through cabinet 11 so as to terminate within wash chamber 14. With this arrangement, any spillage that occurs during filling of the reservoir will settle into sump 25 rather than onto the surrounding floor as may occur if the fill tube were outside 'wash chamber 14.
  • a funnel-like element 44 is provided in fill tube 43 to facilitate the pouring of treating agent into fill tube 43.
  • a removable cap 45 covers the open end of fill tube 43.
  • Reservoir 42 is defined by a lower portion 46 of the dispensing means 41.
  • Lower portion 46 is secured at its lower end to cabinet 11 by means of a screw 47 and is secured at its upper end to an upper portion 48 of dispensing means 41.
  • Sealing means (not specifically shown) may be provided at the junction between lower portion 46 and upper portion 48 to avoid any leakage of the treating agent from the reservoir 42.
  • Upper portion 43 is secured to cabinet 11 by means of a nut 49 which cooperates With a flange 50 to grip cabinet 11 therebetween.
  • a metering means including a piston 51 and a cylinder 52.
  • the cylinder 52 is in the form of a depressed sump-like area in the bottom wall of reservoir 42 as best seen in FIGURE 3.
  • Means are provided to interconnect the cylinder 52 with .the wash chamber 14. These means include a first hole or passageway 53 in lower portion 46 and a second hole 54 which intersects first hole 53.
  • Second hole 54 receives a tube 55 which extends upwardly within reservoir 42' until it intersects an opening 56 in upper portion 48. Opening 56 is intersected by a second opening 57, which in turn in intersected by a third opening 58 to form a "continuous passageway. It can therefore be seen that movement of piston 51 downwardly will result in fluid being conveyed, via the afore-described series of holes, tube and openings, from cylinder 52 to wash chamber 14.
  • the required amount of agent to be dispensed into chamber 14 is from 1.0 cc. to 1.8 cc. In other. words, if an amount of treating agent within these limit is dispensed into the wash chamber 14, the desired result will be achieved.
  • This comparatively large tolerance of 0.8 cc. allows for the variation created by a variance of the level of agent in reservoir 42 as well as variance in efficiency of the metering means.
  • the passageways interconnecting cylinder 52 and wash chamber 14 become substantially empty since the level of agent in tube 55 is substantially the same as the level of agent in reservoir 42.
  • the volume of the passageways interconnecting reservoir 42 and Wash chamber 14 may be dimensioned such that the amount of agent dispensed in wash chamber 14 will vary from approximately 1.8 cc. when reservoir 42 is substantially full and the metering means as at a maximum efiiciency to approximately 1.0 cc. when reservoir 42 is substantially empty and the metering means is at a minimum efiiciency.
  • Piston 51 extends into upper portion 48 and a pin 59 passes through piston 51 near its upper end.
  • Pin 59 extends outwardly from each side of piston 51 where it is received by a slot 60 in each leg 61 of yoke 62.
  • Yoke 62 is carried by a shaft 63 which extends out through upper portion 48. The portion of shaft 63 which extends out beyond upper portion 43 receives ratchet 64 which has a spring 65 interconnecting it with a section of the upper portion 48.
  • spring 55 biases ratchet 64, shaft 63 and yoke 62 such that piston Si is forced downwardly.
  • Latch member 66 Pivotally secured toupper portion 43 of the dispensing means 41 is a latch member 66.
  • Latch member 66 has a surface 67 which cooperates with a surface 68 on ratchet 64 to retain ratchet 64 in the cocked position.
  • the cocked position is the position wherein piston 51 is in the upper position and spring member 65 has been put in tension. This position is illustrated in FIGURES 3, 4
  • a spring 69 is provided to bias latch member 66 toward ratchet 64 so that latch member 66 will automatically retain ratchet 64 in the cocked position whenever ratchet 64 is rotated so as to move surface 68 to surface 67.
  • a manually operable handle 70 is provided to allow manual cocking of ratchet 64.
  • Latch member 66, spring 65 and ratchet 64 all combine to form an energy storing means which, when released, causes dispensing of agent from reservoir 42 into wash chamber 14.
  • Cocking, or energizing, of the energy storing means is accomplished by manuallydepressing handle 70 which causes a counterclockwise rotation of ratchet 64 (as seen in FIGURES 2 and 6). Handle 70 is depressed a distance sufiicient to cause surface 68 of ratchet 64 to pass surface 67 of latch member 66 whereupon spring 69 biases latch member 66 in a clockwise direction (as seen in FIGURES 2 and 6) to interengage surfaces 67 and 68. The energy storing means remains thus energized until latch member 66 is rotated in a counterclockwise direction to release ratchet 64, Whereupon'spring 65 will cause piston 51 to dispense agent as described above. Latch member 66 is provided with an extension 71 positioned to be contacted by a cam 72 which is moved by sequence control means 40.
  • the present invention provides a treating agent dispensing means capable of storing several days supply of treating agent, which will provide selectivity of operation and which obviates a costly solenoid.
  • Selectivity of opera- "U011 is achieved by the unique cocking arrangement including handle 70 and the releasing means including cam 72 and extension 71 of latch member 66.
  • Sequence control means 40 rotate cam 72 one revolution for each cycle of the dishwasher operation; however, cam 72 is effective to release the energy storing means only if the energy storing means has been energized by depression of handle amass? portant because motors normally incorporated in sequence control means are of very low power and their eilective life is greatly diminished if they are called upon to perform any measurable amount of work.
  • FIGURE 3 Another very important feature of the present invention is the structural arrangement wherein it is virtually impossible for any significant leaks to develop.
  • a review of FIGURE 3 will illustrate that all joints in the conduit interconnecting the metering means and the wash chamber are positioned Within the reservoir 42 so that if any leaks shall develop at these joints, leakage would simply occur within the reservoir thereby creating little or no problem.
  • a treating agent dispensing means comprising:
  • said energy storing means being adapted to be released by the sequence control means'to thereby cause dispensing of agent into the wash chamber.
  • a treating agent dispensing means comprising: i
  • said energy storing means being adapted to be released by the sequence control means to thereby cause dispensing of agent into the wash chamber.
  • the treating agent dispensing means defined in claim 2 further comprising a fill tube in said upper portion communicating at one end with said reservoir and at the other end opening into the wash chamber wherby said reservoir may be filled with agent.

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  • Washing And Drying Of Tableware (AREA)
US345432A 1964-02-17 1964-02-17 Treating agent dispensing means Expired - Lifetime US3198387A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US345432A US3198387A (en) 1964-02-17 1964-02-17 Treating agent dispensing means
CH105665A CH422248A (de) 1964-02-17 1965-01-26 Abgabevorrichtung für Wasch- und Spülzusätze in Waschmaschinen, insbesondere Geschirrwaschmaschinen
NL6501804A NL6501804A (de) 1964-02-17 1965-02-12
GB6465/65A GB1093594A (en) 1964-02-17 1965-02-15 Improvements in treating agent dispensing means for use in an automatic dishwashing or other washing machine
SE1960/65A SE310242B (de) 1964-02-17 1965-02-16
DE19651503788 DE1503788A1 (de) 1964-02-17 1965-02-16 Automatische Wasch- oder Spuelmaschine u.dgl. mit Abgabevorrichtung fuer Behandlungsmittel
DK83265AA DK105523C (da) 1964-02-17 1965-02-17 Udleveringsapparat for behandlings- midler til brug i automatiske vaske- og opvaskemaskiner.
FR5891A FR1424843A (fr) 1964-02-17 1965-02-17 Distributeur d'agent de traitement, utilisable notamment dans des machines à laver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US345432A US3198387A (en) 1964-02-17 1964-02-17 Treating agent dispensing means

Publications (1)

Publication Number Publication Date
US3198387A true US3198387A (en) 1965-08-03

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Application Number Title Priority Date Filing Date
US345432A Expired - Lifetime US3198387A (en) 1964-02-17 1964-02-17 Treating agent dispensing means

Country Status (7)

Country Link
US (1) US3198387A (de)
CH (1) CH422248A (de)
DE (1) DE1503788A1 (de)
DK (1) DK105523C (de)
GB (1) GB1093594A (de)
NL (1) NL6501804A (de)
SE (1) SE310242B (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3289896A (en) * 1965-10-18 1966-12-06 Gen Electric Door structure for washing appliance
US3370597A (en) * 1964-02-20 1968-02-27 Hobart Mfg Co Dishwashing machine with liquid sanitizer dispenser
US3370751A (en) * 1966-06-22 1968-02-27 Whirlpool Co Liquid dispenser
US3398756A (en) * 1966-10-13 1968-08-27 Gen Electric Dishwasher having improved vent means
US3426944A (en) * 1966-12-06 1969-02-11 Gen Electric Treating agent dispenser for automatic washing machine
US20070130744A1 (en) * 2005-11-21 2007-06-14 Horst Moeller Method for manufacturing dishwashers of different widths

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7754025B1 (en) 2000-06-08 2010-07-13 Beverage Works, Inc. Dishwasher having a door supply housing which holds dish washing supply for multiple wash cycles
US6799085B1 (en) 2000-06-08 2004-09-28 Beverage Works, Inc. Appliance supply distribution, dispensing and use system method
US7083071B1 (en) 2000-06-08 2006-08-01 Beverage Works, Inc. Drink supply canister for beverage dispensing apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572540A (en) * 1946-07-05 1951-10-23 Automatic Canteen Co Liquid dispenser with means normally locking said dispenser and coin-actuated means preventing operation of said locking means
US2899815A (en) * 1959-08-18 Washing apparatus having means for automatically
US3125249A (en) * 1964-03-17 Dishwasher with improved treating agent dispenser mechanism

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899815A (en) * 1959-08-18 Washing apparatus having means for automatically
US3125249A (en) * 1964-03-17 Dishwasher with improved treating agent dispenser mechanism
US2572540A (en) * 1946-07-05 1951-10-23 Automatic Canteen Co Liquid dispenser with means normally locking said dispenser and coin-actuated means preventing operation of said locking means

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3370597A (en) * 1964-02-20 1968-02-27 Hobart Mfg Co Dishwashing machine with liquid sanitizer dispenser
US3289896A (en) * 1965-10-18 1966-12-06 Gen Electric Door structure for washing appliance
US3370751A (en) * 1966-06-22 1968-02-27 Whirlpool Co Liquid dispenser
US3398756A (en) * 1966-10-13 1968-08-27 Gen Electric Dishwasher having improved vent means
US3426944A (en) * 1966-12-06 1969-02-11 Gen Electric Treating agent dispenser for automatic washing machine
US20070130744A1 (en) * 2005-11-21 2007-06-14 Horst Moeller Method for manufacturing dishwashers of different widths

Also Published As

Publication number Publication date
GB1093594A (en) 1967-12-06
DK105523C (da) 1966-10-10
SE310242B (de) 1969-04-21
CH422248A (de) 1966-10-15
DE1503788A1 (de) 1969-05-22
NL6501804A (de) 1965-08-18

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