US3688978A - Cooking computer means - Google Patents

Cooking computer means Download PDF

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Publication number
US3688978A
US3688978A US112132A US3688978DA US3688978A US 3688978 A US3688978 A US 3688978A US 112132 A US112132 A US 112132A US 3688978D A US3688978D A US 3688978DA US 3688978 A US3688978 A US 3688978A
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Prior art keywords
cooking
computer
input means
scale
weight
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US112132A
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English (en)
Inventor
Carl J Goodhouse
Robert Strachan
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Robertshaw Controls Co
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Robertshaw Controls Co
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
    • G04C23/14—Mechanisms continuously running to relate the operation(s) to the time of day
    • G04C23/16—Mechanisms continuously running to relate the operation(s) to the time of day acting only at one preselected time or during one adjustable time interval

Definitions

  • such cooking formula when being utilized in connectionwith gaseous fuel burning cooking apparatus provides the cooking time period in minutes as being equal to 70 times the square root of the weight of the meat item plus or minus a K factor with the cooking temperature being approximately 325 F. and with the K factor being the selected degree of doneness for the particular meat item.
  • the cooking formula provides the cooking time period in minutes as being equal to 40 times the square root of the weight of the meat item plus or minus a K factor for the desired degree of doneness of the particular meat item and with the cooking temperature being approximately 325 F.
  • the results of the above formula is inminutes from the time the cooking apparatus beings to cook the meat item to the time thatv the meat item is ready to be removed from the oven at the termination or zero position of such completed time period.
  • the high cooking temperature (325 F.) is terminated at a set point during the computed cooking time period so that the temperature in the oven, while drifting down from the high cooking temperature to a holding and non-cooking low temperature, will continue to cook the meat item until the oven reaches the hold temperature of the oven which is the zero or end of the computed cooking time period.
  • the cooked meat item will be at the desired degree of doneness so that if the housewife does not remove the meat item at this particular time, the oven will maintain the meat item at a palatable temperature which is a non-cooking temperature so that the cooked meat item can be removed from the oven any time after the elapsed and computed cooking time period.
  • the automatic cut back time for the oven temperature to the end of a computed cooking time period can be'approximately 45 minutes whereas in electrically heated ovens such automatic cut back time can be approximately 60 minutes.
  • the housewife is required to manually set both cooking variables of the cooking formula into the computer by separate input means with the computer subsequently providing a visual indication of the computed cooking time period.
  • a computer can be utilized by itself or in combination with a cooking apparatus to automatically cause the cooking apparatus to cook the food at the computed cooking time period if the housewife so desires.
  • the housewife must insert into the computer a weight selection by a manually settable input means as well as operate another manually settable input means for inserting into the computer the desired degree of doneness of the particular meat item.
  • knobs or other manual selector means provided on a cooking apparatus for a housewife to operate in order toprovide a cooking function tends to cause the housewife not to use any of such automatic devices because she is afraid of not following a proper sequence for setting the automatic controls of a cooking apparatus, particularly when she is afraid of ruining an expensive meat roast orthe like.
  • one of the features of this invention is to provide a cooking computer of the above type wherein the housewife need only manually insert one input means of the aforementioned cooking formula into the computer to provide for the computed cooking time period for a particular meat item whereby the operation of such computer by the housewife is a relatively simple operation while the computer automatically provides its accurate output function as fully described a manually settable weight input means for indicating a single selected indicated weight applicable to all meat items and corresponding to the weight of the particular meat item to be cooked.
  • the weight input means is settable in relation to a visually selected variable of the stationary input means.
  • the computer has a time period output means operatively associated with the input means to provide as an output a cooking time period for the particular meat item computed as a function from the selection of both of the input means in the cooking formula of the aforementioned patent applications.
  • the housewife or the like needonly manually insert into the computer of this invention a setting corresponding to the weight of the particular meat item to be cooked while merely visually setting such weight input means in relation to a desired degree of doneness input means that is stationary and non-manually settable, the computer interpreting such relationship in accordance with the aforementioned cooking formula to provide as an output the cooking time period for that particular meat item.
  • the output means of the computer can comprise a visual indication of the computed cooking time period required and/or comprising the automatic operation of a cooking apparatus cooking such meat item for such computed cooking time period.
  • Another object of this invention is to provide an improved cooking apparatus utilizing the cooking computer means of this invention.
  • FIG. 1 is a front view of one embodiment of the cooking computer of this invention.
  • FIG. 2 is a rear view of the cooking computer of FIG. 1 with certain structure thereof removed.
  • FIG. 3 is a front view of the computer disc utilized for the computer of FIG. 1.
  • FIG. 4 is a rear view of the computer of FIG. 1, similar to FIG. 2, except that the rear structure is not removed, FIG. 4 schematically illustrating the computer in combination with a cooking apparatus.
  • FIG. 5 is a fragmentary, cross-sectional view taken substantially on line 5-5 of FIG. 2.
  • FIG. 6 is a view similar to FIG. 5 and illustrates the structure in another operating position thereof.
  • FIG. 7 is a fragmentary, cross-sectional view taken on line 7--7 of FIG. 5.
  • FIG. 8 is a fragmentary view similar to FIG. 2 with certain structure thereof removed and illustrating the normal setting of the cooking computer components before a selected cooking operation is set therein.
  • FIG. 9 is a view similar to FIG. 8 and illustrates the structure when the housewife has set the computer to operate a cooking apparatus at a set point or start time in the future.
  • FIG. 10 is a view similar to FIG. 9 and illustrates the cooking computer after the housewife has inserted the weight input into the computer to automatically set the cooking hours once the cooking period has been reached by the control device.
  • FIG. 11 is a fragmentary, front view of the computer illustrating the set condition of the computer after the weight input means has been inserted therein in the manner illustrated in FIG. 10.
  • FIG. 12 is a view similar to FIG. 10 and illustrates the computer during the cooking operation.
  • the computer device of this invention is generally indicated by the reference numeral 20 and comprises a conventional frame structure 21 having a front wall 22 providing a control panel for the computer device 20 wherein the control panel 22 has the conventional bell ringing settable timer 23 that does not form any part of this invention, a timer operated clock means 24 that is conventional in the art except that the same is being utilized in combination with the computer means of this invention in a unique manner as will be apparent hereinafter to control a cooking apparatus and the computer 25 of this invention hereinafter described.
  • the computer portion 25 of the computer device 20 includes a control knob 26 which the housewife can rotate to cause a disc 27, FIG. 3, to position a weight scale 28 thereon so as to be viewable through an arcuate window means 29 in the front wall 22.
  • the housewife can set a weight input means into the computer 25 in relation to a stationary scale or input means 30A and 30B respectively disposed on opposite sides of the arcuate window 29 so that a computed cooking time period scale 31 on the disc 27 will be viewable at another window means 32 of the front wall 22.
  • a pointer 33 of the front wall 22 at the window 32 will indicate on the time scale 31 the computed cooking-time period for a particular weight of meat as set against a stationary input means for the desired degree of doneness thereof as will be apparent hereinafter.
  • the upper stationary scale 30A on the front wall 22 of the computer device 20 is provided for beef roasts and extends from a rare setting-34 througha medium range 35 to a well done setting 36 with the scale 30A being suitably colored from left to right with red hues conforming to the degree of doneness that the interior of the meat will have for a particular degree of doneness setting against the scale 30A.
  • the scale 30B is provided for the degree of doneness of other meat types; Since other meat types each are normally cooked to the same degree of doneness for that particular type of meat, the scale 30B includes a single setting 37 for stuffed fowl, a single setting 38 for'unstuffed fowl and a single setting 39 for well done pork. Of course, a range of settings for each different type of meat could be provided, if desired.
  • the disc 27 carrying the weight scale 28 and time scale 31 is rotatable relative to the front wall 22 of the computer device 20 by the control knob 26, the disc 27 being carried on a shaft means 40 to be rotated thereby when the knob 26 is rotated.
  • shaft 40 is rotatably mounted to the frame means 21v with the shaft means 40 carrying a gear disc 41 having a first portion 42 provided with gear teeth 43 about the outer periphery thereof except at a smooth untoothed portion 44 thereof for a purpose hereinafter described and comprising 'an inwardly offset cam portion 45 having a portion thereof defining a substantially circular cam surface 46 interrupted by an inwardly offset cam area 47 for a purpose hereinafter described.
  • the offset area 47 is located adjacent the smooth surface 44 of the gear portion 42 for a purpose hereinafter described.
  • a lever 48 is pivotally mounted to the frame means by a pivot pin 49 and has a tongue or ear 50 engageable against the cam surface 46, 47 of the disc portion 45 in the manner illustrated in FIGS. 2, 8, 9, 10 and 12 of the drawings with the ear 50 tending to follow the contour 46, 47 of the disc 41 by the force of a tension spring 51 having one end 52 interconnected to the lever 48 and the other end 53 interconnected to a frame pin 54.
  • the pivot pin 49 carries a plunger actuator lever 55 also pivotally mounted to the pin 49 and normally tending to follow movement of the lever 48 through a hair pin spring arrangement 56 which has one leg 57 passing through a slotted part 58 of the lever 55 and bearing against an outwardly directed tang 59 of the lever 48 while the other leg 60 of the spring 56 passes through the slotted part 58 of the lever 55 at the other side 3 thereof.
  • a tension spring 60' tends to cause'clockwise movement of the lever 55 in the manner illustrated in FIG.
  • the lever 55 has a plunger actuator 61 for engaging against a plunger 62, FIG. 4, of an electrical switch 63 carried on the rear of the frame means 21 of the computer device with the electrical switch 63 being adapted to be interconnected into the control circuit 64 of a cooking apparatus 65 in the manner schematically illustrated in FIG. 4.
  • the electrical switch 63 has a pair of terminals 66 and 67 adapted to be electrically interconnected together when the plunger 62 is in its full out position as illustrated in phantom lines in FIG. 12 and to disconnect the electrical connection between the terminals 66 and 67 when the plunger 62 is in its in position as illustrated in FIGS. 4, 8, 9 and 10.
  • the terminals 66 and 67 are respectively electrically interconnected'to a control device 68 by leads 69 and 70 with the control device 68 being interconnected to power source leads 1.. and L by suitable leads 71 and 72.
  • the electrical heating element 73 for the cooking apparatus 65 is interconnected to the control device 68 by lead means 74 and 75.
  • the heating element 73 for the cooking device 65 could be a gas burner with the control device 68 interconnecting and disconnecting a source of fuel from such burner in the same manner as the same interconnects and disconnects the power source leads L and L from the heating element 73.
  • control device 68 does not cause the heating means 73 for the oven 65 to operate under the control of a thermostatic means until the plunger 62 of the switch 63 is in its outermost position when the control device 68 is set for an automatic cooking operation as will be apparent hereinafter.
  • the control device 68 automatically sets the thermostatic means thereof to maintain the temperature in the oven at 325 in accordance with the teachings of the cooking formula of the aforementioned copending patent applications.
  • the control device 68 is set in a manual position thereof so that the control of the heater means 73 is independent of the operation of the switch means 63 of the computer 20.
  • the computer device 20 can be so constructed that the control knob 26 can set the disc 41 at a manual position thereof wherein the ear 50 of the lever 48 is set in a notch 76 of the disc 41 to permit the plunger 62 to be set in its outermost position and remain in such position until the'disc 41 is manually turned out of its manual" position.
  • the frame means 21 of the computer controller device 20 carries a conventional electrically operated timer motor 77 on a rear plate 78 thereof with the timer motor 77 having an output shaft 79, FIG. 2, for continuously driving a timer pinion gear 80 disposed in meshing relation with a gear 81 mounted to a shaft means 82 carried by the frame means 21 with the shaft means 82 carrying the minute and hour hands 83 and 84 of the clock 24 so that the hands 83 and 84 will indicate the actual time of day in relation to a clock face means 85 disposed on the front wall 22 of the computer controller 20.
  • the hands 83 and 84 are adapted to be set relative to the-clock face 85 by a conventional knob structure 86 on the shaft means 82 in a manner well known in the art.
  • a disc 87 is splined on the shaft 82 and is urged'to the left in FIG. 5 by a compression spring 88, the disc 87 carrying a gear 89 to rotate in unison with the disc 87 and the axially movable therewith.
  • Another gear 90 is disposed for rotation on the shaft 82 relative to the shaft 82 and is disposed between a frame plate 91 of the frame 21 and the axially movable disc 87 while being urged toward the disc 87 by a load, washer-like spring 92.
  • the rotational position of gear wheel 90 relative to the shaft 82 is set by the setting of the start to cook hand 93 of the clock means 24 as the hand 93 rotates in unison with the disc 87.
  • the gear 90 and, thus, the start to cook hand 93 is set by a control knob 94 on the front wall 22 of the computer 20 and operates a shaft 95 carrying a gear 96 that is interconnected to the gear 90 by intermediate gears 97 and 98 whereby moving the start knob 94 will move the gear 90.
  • the gear 90 has an outwardly directed cam part 99 which is adapted to ride in or be received in a recess or hole 100 on the face 101 of the disc 87 in the manner illustrated in FIGS. 5 and 7.
  • the member 99 earns the disc 87 axially to the right as illustrated in FIG. 6 whereby the disc 87 and gear 89 are moved in opposition to theforce of the compression spring.
  • the shaft 95 As the start time shaft 95 is rotated by the knob 94, the shaft 95 also rotates a lever 102 therewith which acts against a leg 103 of an L-shaped lever 104 pivoted to the frame means 21 by the pivot pin 49 that carries the levers 48 and 55 previously described.
  • the L- shaped arm 104 has the other leg 105 thereof provided with a flag or indicating area 106 which when pivoted from the position illustrated in FIG. 2 to the position illustrated in FIG. 9 will be viewable through a window means 107 in the front wall 22 of the computer controller 20 as illustrated in FIG. 11 to indicate that a start time has been set by the knob 94 to cause a timed cooking operation to begin when the start time is reached by the clock hands 83 and 84 as will be apparent hereinafter.
  • the arm 105 of the L-shaped lever 104 also has a cam tongue 108 provided with an arcuate surface 109 adapted to abut against the peripheral edge 110 of the disc 87 so as to position the lever 104 in its normal pivoted position as illustrated in FIG. 2.
  • the lever 104 also carries an arm 111 which has an end 112 adapted to abut against the smooth peripheral surface 110 of the disc 87 when the disc 87 has been moved axially to the right in the manner illustrated in FIG. 6 whereby as long as the disc 87 has been cammed away from the gear 90 by the tang 99 thereof, the arm 104 will be held in its pivoted position as illustrated in FIG. 9 by the end 112 of the arm 1 11 and such movement of the arm 104 causes a tang 113 on the arm 105 to engage against the leg 57 of the spring 56 for the lever 55 and move the lever 55 to the left as illustrated in FIG.
  • the movement of the arm 104 to its time setting position from the position illustrated in FIG. 8 to the position illustrated in FIG. 9 also causes the pivoting of a drive wheel 114 out of meshing relation with a drive wheel 115 on the output shaft 116 which shaft 116 is normally driven by a timer gear 117 disposed in meshing relation with the timer gear 118 on the main shaft 82.
  • the gear means 114 has its shaft tiltably mounted to the frame plate 78 with such shaft being interconnected to the arm 105 by a tension spring to cause the gear means 114 to tilt in relation to movement of the arm 105.
  • the tiltable gear 1 14 when disposed in meshing relation with the gear means 115 is adapted to be disposed in meshing relation with the gear teeth means 43 on the disc 41 to rotate the same when the gear teeth 43 are disposed in a position to be in meshing relation with the gear means 114.
  • the gear means 114 is tilted by the am 104 in the manner illustrated in FIG. 9 and FIG. 10, even though the gear 115 is being driven by the timer motor 77 through the gear train previously described, the wheel 41 will not be rotated therewith until the pivotal gear 1 14 is moved back to the position illustrated in FIG. 12 where the same is in meshing relation with the gear 116 so as to rotate the gear wheel 41 through the gear teeth 43 thereof as illustrated and for a purpose hereinafter described.
  • the timer motor 77 and the drive mechanism therefor for causing the operation of the plunger 62 of the switch 63 to be moved to its out position at a particular set start time as set by the hand 93 under the control of the knob 94 and to remain in such out position until a preselected number of cooking hours has been completed wherein the plunger 62 is moved back to its inward position by the arm 55 is well known structure manufactured by the assignee of this application.
  • such well known structure is designated as 651,670 and 675 Series Timers produced by the Lux Time Division of Robertshaw Controls Company and reference is made thereto for further details of the structure and operation of this structure.
  • the features of this invention are the converting of such mechanism to provide for an automatic in the computer portion 25 of this invention which provides a unique arrangement, the operation of which will now be described.
  • the housewife has decided that she-wants to cook a 5 lb. beef roast with a doneness of rare roast beef.
  • the housewife first rotates the knob 26 of the computer 25 so that the weight scale 28 of the disc 27 will position the number 5 adjacent the desired degree of rareness on the stationary scale 30A in the manner illustrated in FIG. 11 whereby the housewife will then look at the window 27 of the front wall 22 and see that the indicator 33 is indicating on the time scale 31 of the disc 27 that the 5 lb.
  • beef roast can be taken from the oven any time after 2 hours from the start of the cooking time whereby the housewife will know that the beef roast can be removed from the oven any time after 8 oclock if she starts the cooking operation at 6 oclock.
  • the housewife then turns the knob 94 in the proper direction to cause the start hand 93 to move from the position illustrated in FIG. 1 to the position illustrated in FIG. 11 with such rotation of the knob 94 not only setting the hand 93 at the start position of 6 oclock, but also causing the arm 104 to be pivoted from the position illustrated in FIG. 8 to the position illustrated in FIG. 9 to hold the lever 55 in its plunger in position by the tang 113 thereof operating on the arm 57 of the spring 56 as well as tilting the gear means 114 out of meshing relation with the gear 116 as previously described.
  • the housewife can set the start time knob 94 before the housewife operates the computer 25 in the manner illustrated in FIG. 11 to determine that the 5 lb. beef roast will be done in a rare condition thereof after being cooked two hours from the desired start time.
  • the computer 25 not only indicates the number of cooking hours required for a particular weight setting of a particular meat item in relation to a desired degree of doneness thereof, but will cause such cooking time period to automatically take place from a desired starting time.
  • this automatic cut back from cooking temperature for gaseous fuel burning apparatus is approximately 45 minutes from the end of the computed cooking time period and for electrically heated ovens is approximately 60 minutes from the end of the computed cooking time period so that during the drifting down of the temperature of the oven 65 from the cooking temperature of 325 to a holdingand noncooking temperature thereof, such as 170 F., the meat in the oven 65 will be continuously cooked so that at the end of the cooking time period when the dial 27 indicates zero cooking hours in the window 32, the meat item will be at the doneness that has been previously selected on the'scale 30A of the computer in the manner previously described and in accordance with the cooking formula of the aforementioned patent applications.
  • the computer controller 20 of this invention automatically indicates to the housewife or the like what cooking time period is required for a particular meat item by permitting the housewife to simply set the weight of the particular meat item by the knob 26 in alignable relation with-the desired degree of doneness on the stationary scale 30A or to the particular meat type on the stationary meat time scale 30B whereby the computer 25 provides as an output not only the computed number of cooking hours required for such a meat item, but also sets the disc 41 to operate in combination with the computer controller 20 the cooking apparatus 65 to automatically cook such food for that computed time period at any start time as set by the control knob 94 in an automatic manner.
  • this invention not only provides an improved cooking computer having many novel features as previously set forth, but also this invention provides an improved cooking apparatus by utilizing such a computer for controlling the operation thereof.
  • a cooking computer for determining the cooking operation of a cooking apparatus, said computer having a stationary input means indicating selectable variables other than the weight of a meat item, said computer having a manually settable weight input means for indicating a single selected indicated weight applicable to all meat items and corresponding to the weight of a particular meat item to be cooked, said weight input means being settable in relation to a selected variable of said stationary input means, said computer having a time period output means operatively associated with said input means to provide as an output a cooking time period for said particular meat item computed as a function from the selection of both of said input means.
  • a cooking computer as set forth in claim 7 wherein said means for visually indicating said computed cooking time period comprises a movable scale remote from said stationary scale.
  • a cooking computer as set forth in claim 8 wherein said computer has a movable member, said I movable scale of said weight input means and said movable scale of said time period output means being carried by said movable member.
  • a cooking computer as set forth in claim 9 wherein said computer has another member carrying said stationary scale and having a first opening means adjacent said stationary scale and a second opening means remote from said stationary scale, said movable member being movable relative to said other member and having said movable scale of said weight input means andsaid movable scale of said time period output means respectively viewable through said first and second opening means of said other member.
  • a cooking computer for determining the cooking operation of a cooking apparatus, said computer having a stationary input means indicating selectable degrees of meat doneness for at least one meat type in an infinite range thereof between certain limits, said computer having a manually settable weight input means for indicating a single selected indicated weight applicable to all meat types and corresponding to the weight of a particular meat item to be cooked, said weight input means providing an infinite selection of weight between certain limits, said weight input means being settable in relation to a selected degree of doneness of said stationary input means, said computer having a time period output means operatively associated with said input means to provide as an output a cooking time period for said particular meat item computed as a function from the selection of both of said input means.
  • a cooking computer as set forth in claim 11 wherein said computer has a wall carrying said sta tionary input means thereon in the form of an arcuate stationary scale, said wall having an opening adjacent said stationary scale, said computer having a rotatable disc carrying said weight input means thereon in the form of an arcuate scale having at least part thereof viewable through said opening whereby a selected weight on said weight scale can be aligned with a selected degree of doneness on said stationary scale.
  • a cooking computer as set forth in claim 14 wherein said disc has said time period output means thereon in a form of a time scale viewable at another opening' of said wall whereby said computed time period is visually indicated at said other opening when said selection of both input means is made.
  • a cooking computer as set forth in claim 18 wherein said fixed constant is approximately for gaseous fuel burning cooking apparatus and is approximately 40 for electrically heated cooking apparatus.

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  • General Physics & Mathematics (AREA)
  • Baking, Grill, Roasting (AREA)
US112132A 1971-02-03 1971-02-03 Cooking computer means Expired - Lifetime US3688978A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819112A (en) * 1972-03-21 1974-06-25 Robertshaw Controls Co Cooking computer means
US3827345A (en) * 1971-02-01 1974-08-06 Robertshaw Controls Co Computer cooking means
US3837568A (en) * 1971-03-18 1974-09-24 Robertshaw Controls Co Computer cooking means
US3845275A (en) * 1972-03-22 1974-10-29 Robertshaw Controls Co Computer cooking means
US3889875A (en) * 1972-03-21 1975-06-17 Robertshaw Controls Co Cooking computer means
US3972275A (en) * 1970-05-13 1976-08-03 Siemens Elektrogerate Gmbh Method and apparatus for roasting meat
DE2949890A1 (de) * 1979-12-12 1981-06-19 Diehl GmbH & Co, 8500 Nürnberg Verfahren zur ueberwachung des garens von speisen in einem dampfdruckkochkopf und vorrichtung zur durchfuehrung des verfahrens
DE3108470A1 (de) * 1981-03-06 1982-09-30 Schweizerische Aluminium AG, 3965 Chippis Verfahren zur steuerung der energie-zu- resp.-abfuehrung sowie verwendung des verfahrens
DE3153413C2 (en) * 1981-03-06 1988-06-30 Rene Muraz Ch Rossier Method for controlling the supply and the extraction of energy in material phase
US4936817A (en) * 1988-04-27 1990-06-26 Kraft, Inc. Reclosable bag
US20030179653A1 (en) * 2002-02-25 2003-09-25 Mclemore John D. Cooking facilitator
US20060065263A1 (en) * 2004-09-30 2006-03-30 Maytag Corporation Programmable cooking appliance

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US2166683A (en) * 1937-06-07 1939-07-18 John H Grayson Time clock controlled automatic mechanism
US2663786A (en) * 1952-10-14 1953-12-22 Gen Electric Timer apparatus
US2838646A (en) * 1957-11-12 1958-06-10 Gen Electric Infinitely variable control switch
US3072327A (en) * 1959-02-06 1963-01-08 Pye Ltd Control and indicating arrangement
US3166242A (en) * 1958-09-29 1965-01-19 Frank A Shomaker Oven timer
US3167245A (en) * 1961-08-08 1965-01-26 Eugene B Osuch Air density computer
US3263918A (en) * 1964-10-06 1966-08-02 Glen R Beachler Power factor calculator

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US3083272A (en) * 1959-11-03 1963-03-26 Int Register Co Oven control means
US3259056A (en) * 1963-03-26 1966-07-05 Gen Motors Corp Automatic oven heat control by weight and type of roast

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Publication number Priority date Publication date Assignee Title
US2166683A (en) * 1937-06-07 1939-07-18 John H Grayson Time clock controlled automatic mechanism
US2663786A (en) * 1952-10-14 1953-12-22 Gen Electric Timer apparatus
US2838646A (en) * 1957-11-12 1958-06-10 Gen Electric Infinitely variable control switch
US3166242A (en) * 1958-09-29 1965-01-19 Frank A Shomaker Oven timer
US3072327A (en) * 1959-02-06 1963-01-08 Pye Ltd Control and indicating arrangement
US3167245A (en) * 1961-08-08 1965-01-26 Eugene B Osuch Air density computer
US3263918A (en) * 1964-10-06 1966-08-02 Glen R Beachler Power factor calculator

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972275A (en) * 1970-05-13 1976-08-03 Siemens Elektrogerate Gmbh Method and apparatus for roasting meat
US3827345A (en) * 1971-02-01 1974-08-06 Robertshaw Controls Co Computer cooking means
US3837568A (en) * 1971-03-18 1974-09-24 Robertshaw Controls Co Computer cooking means
US3819112A (en) * 1972-03-21 1974-06-25 Robertshaw Controls Co Cooking computer means
US3889875A (en) * 1972-03-21 1975-06-17 Robertshaw Controls Co Cooking computer means
US3845275A (en) * 1972-03-22 1974-10-29 Robertshaw Controls Co Computer cooking means
DE2949890A1 (de) * 1979-12-12 1981-06-19 Diehl GmbH & Co, 8500 Nürnberg Verfahren zur ueberwachung des garens von speisen in einem dampfdruckkochkopf und vorrichtung zur durchfuehrung des verfahrens
DE3153413C2 (en) * 1981-03-06 1988-06-30 Rene Muraz Ch Rossier Method for controlling the supply and the extraction of energy in material phase
DE3108470A1 (de) * 1981-03-06 1982-09-30 Schweizerische Aluminium AG, 3965 Chippis Verfahren zur steuerung der energie-zu- resp.-abfuehrung sowie verwendung des verfahrens
US4936817A (en) * 1988-04-27 1990-06-26 Kraft, Inc. Reclosable bag
US20030179653A1 (en) * 2002-02-25 2003-09-25 Mclemore John D. Cooking facilitator
US20060091137A1 (en) * 2002-02-25 2006-05-04 Mclemore John D Cooking facilitator
US7227107B2 (en) 2002-02-25 2007-06-05 Mclemore John D Safety shut off for a portable cooker
US20080233257A1 (en) * 2002-02-25 2008-09-25 Mclemore John D Cooking facilitator
US8067717B2 (en) 2002-02-25 2011-11-29 Masterbuilt Manufacturing Inc. Cooking facilitator
US20060065263A1 (en) * 2004-09-30 2006-03-30 Maytag Corporation Programmable cooking appliance
US9057526B2 (en) * 2004-09-30 2015-06-16 Whirlpool Corporation Programmable cooking appliance

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Publication number Publication date
FR2124415A1 (enExample) 1972-09-22
FR2124415B1 (enExample) 1975-10-24
GB1335497A (en) 1973-10-31

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