Patents by Inventor Sheldon W. Mandel
Sheldon W. Mandel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6932450Abstract: A refrigerator storage arrangement includes a plurality of vertically spaced shelves and a contents viewing system used in connection with enhancing the viewing of food items stored on a rear portion of a lower shelf of the storage arrangement. In accordance with the most preferred form of the invention, the contents viewing system is constituted by a mirror member mounted underneath an upper refrigerator shelf for the purpose of viewing objects located on the lower shelf. The mirror member can take various configurations and may be adjusted through a specified angle range to further enhance the overall viewing arrangement.Type: GrantFiled: September 19, 2002Date of Patent: August 23, 2005Assignee: Maytag CorporationInventor: Sheldon W. Mandel
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Publication number: 20040056574Abstract: A refrigerator storage arrangement includes a plurality of vertically spaced shelves and a contents viewing system used in connection with enhancing the viewing of food items stored on a rear portion of a lower shelf of the storage arrangement. In accordance with the most preferred form of the invention, the contents viewing system is constituted by a mirror member mounted underneath an upper refrigerator shelf for the purpose of viewing objects located on the lower shelf. The mirror member can take various configurations and may be adjusted through a specified angle range to further enhance the overall viewing arrangement.Type: ApplicationFiled: September 19, 2002Publication date: March 25, 2004Applicant: Maytag CorporationInventor: Sheldon W. Mandel
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Patent number: 6708374Abstract: A plastic terminal end section of a refrigerator handle is secured to an upper in-turned portion of a refrigerator door by forming the end section with a lower channel defined, at least in part, by in-turned, tie-down flanges. The overall mounting assembly also incorporates a metal plate which slips into the channel and receives mechanical fasteners such that the fasteners extend into the terminal end section of the handle, through the metal plate, and into the door. With this arrangement, the metal plate functions to clamp down the tie-down flanges to the door when the fasteners are tightened, thereby securing the terminal end section of the handle to the door.Type: GrantFiled: January 30, 2002Date of Patent: March 23, 2004Assignee: Maytag CorporationInventor: Sheldon W. Mandel
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Publication number: 20030145433Abstract: A plastic terminal end section of a refrigerator handle is secured to an upper in-turned portion of a refrigerator door by forming the end section with a lower channel defined, at least in part, by in-turned, tie-down flanges. The overall mounting assembly also incorporates a metal plate which slips into the channel and receives mechanical fasteners such that the fasteners extend into the terminal end section of the handle, through the metal plate, and into the door. With this arrangement, the metal plate functions to clamp down the tie-down flanges to the door when the fasteners are tightened, thereby securing the terminal end section of the handle to the door.Type: ApplicationFiled: January 30, 2002Publication date: August 7, 2003Applicant: Maytag CorporationInventor: Sheldon W. Mandel
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Publication number: 20020184895Abstract: A temperature controlled drawer assembly incorporates a thermoelectric device and a control system to selectively heat or cool the contents of a drawer which is selectively movable into and out of a cabinet designed to be part of an end table, such as a nightstand, or other cabinet remote from a household kitchen. In a cooling mode of operation, a fan, disposed in the cabinet, draws air from inside the drawer and blows the air over a cold side of a heat sink to cool the air. The treated air is blown through plenums, back into the drawer. At the same time, heat is drawn away from the cold side and directed out of the cabinet. The current through the heat sink may be reversed to flip the cold and hot sides of the heat sink to enable the contents of the drawer to be heated.Type: ApplicationFiled: June 8, 2001Publication date: December 12, 2002Applicant: Maytag CorporationInventors: Ronald K. Anderson, Sheldon W. Mandel, Robert C. Zimmerman
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Patent number: 6484512Abstract: A temperature controlled drawer assembly incorporates a thermoelectric device and a control system to selectively heat or cool the contents of a drawer which is selectively movable into and out of a cabinet designed to be part of an end table, such as a nightstand, or other cabinet remote from a household kitchen. In a cooling mode of operation, a fan, disposed in the cabinet, draws air from inside the drawer and blows the air over a cold side of a heat sink to cool the air. The treated air is blown through plenums, back into the drawer. At the same time, heat is drawn away from the cold side and directed out of the cabinet. The current through the heat sink may be reversed to flip the cold and hot sides of the heat sink to enable the contents of the drawer to be heated.Type: GrantFiled: June 8, 2001Date of Patent: November 26, 2002Assignee: Maytag CorporationInventors: Ronald K. Anderson, Sheldon W. Mandel, Robert C. Zimmerman
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Patent number: 6422031Abstract: A refrigeration appliance includes a large capacity refrigeration system for developing a flow of cold air that is impinged, preferably through top and side nozzles, upon food items placed within an internal cavity of the appliance to quickly freeze or chill the food items. An additional small capacity refrigeration system is provided to maintain a desired temperature within the cavity when the rapid cooling is not needed. Preferably, an impingement air diffuser arrangement is provided to direct the air flow and includes partition members to divide the internal cavity into subspaces for different food packages, with varying cooling rates being permissible between the various sub-spaces. A vertically adjustable shelf is provided which cooperates with blocking plates which move up and down with the shelf and function to block air flow through nozzles arranged below the shelf such that all of the developed air flow is used for direct impingement on the food product.Type: GrantFiled: August 15, 2001Date of Patent: July 23, 2002Assignee: Maytag CorporationInventors: Sheldon W. Mandel, Behrooz Mohebbi, Xiaoyong Fu
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Patent number: 6343477Abstract: A food storage system mounted in a fresh food compartment of a refrigerator includes an enclosure defined by inner and outer housings, as well as a food receptacle slidably positioned in the inner housing. The inner and outer housings are spaced so as to define a zone therebetween within which air is forced to flow in order to cool the contents of the receptacle. A temperature sensor is mounted within the inner housing, with signals from the sensor being sent to a control unit used to regulate the operation of a damper for controlling the flow of cooling air into the food storage system and a fan for distributing the cooling air within the food storage system. The control system also operates the damper and fan based on signals indicative of the opening and closing of the receptacle, the opening and closing of a door associated with the fresh food compartment and also the overall operation of the refrigerator.Type: GrantFiled: January 19, 2000Date of Patent: February 5, 2002Assignee: Maytag CorporationInventors: Sheldon W. Mandel, Robert Stephen Mercille, William J. Vestal, II, Robert L. Wetekamp
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Patent number: 6065821Abstract: An adjustable shelf is able to be initially attached to support structure within a storage area of a cabinet at any one of a multitude of vertical heights and then can be readily, mechanically adjusted to reposition the shelf as desired. In one embodiment, the shelf includes a pair of sprockets which are interengaged with mating slots formed in a pair of similarly constructed and laterally spaced support rails positioned within the cabinet. The drive arrangement for the sprockets can be manually, electrically or otherwise driven to provide infinite adjustments for the vertical shelf. When an electrical power motor is utilized as the drive source, the motor is preferably mounted upon a frame of the shelf and electrical power is transmitted to the motor through, at least in part, the support rail structure.Type: GrantFiled: May 15, 1998Date of Patent: May 23, 2000Assignee: Maytag CorporationInventors: Ronald K. Anderson, David Brown, James E. deBeers, Sheldon W. Mandel, Mark P. Slaven
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Patent number: 6036292Abstract: A plastic kickface, that consolidates a conventional metal face plate and a plastic kickplate, extends across a lowermost frontal portion of a shell of a refrigerator cabinet assembly. At least one lower door hinge bracket is secured to reinforcement structure of the cabinet shell by fasteners that extend through tubular spacers located in holes formed in the plastic kickface. Provisions are made for creating a seal along a lower section of a door of the refrigerator cabinet assembly by interconnecting the kickface with a sealing strip that is adapted to be engaged by a section of an annular gasket attached to the door of the refrigerator cabinet assembly.Type: GrantFiled: June 23, 1998Date of Patent: March 14, 2000Assignee: Maytag CorporationInventors: Sheldon W. Mandel, John P. Myers, Gerald L. Wolanin
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Patent number: 5971408Abstract: A vertically adjustable wheel assembly for movably supporting an appliance cabinet or the like upon a supporting surface includes a housing, a supporting bracket, a wheel unit, an adjusting rod, an adjusting screw and various elongated mounting members. The wheel unit is defined by a pair of spaced rollers that are interconnected by a reduced diametric portion. The wheel unit is rotatably attached to the support bracket by an axle member, while the adjusting rod is also mounted for rotary movement by the support bracket. The support bracket is pivotally mounted to the housing, with both the wheel unit and the adjusting rod being permitted to rotate relative thereto. The adjusting screw extends through a frontal portion of the housing and it is threadably connected to the adjusting rod such that rotation of the screw causes pivoting of the support bracket relative to the housing and movement of the wheel assembly between fully extended and fully retracted positions.Type: GrantFiled: June 4, 1997Date of Patent: October 26, 1999Assignee: Maytag CorporationInventors: Sheldon W. Mandel, Douglas A. Heims
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Patent number: 5911750Abstract: An air flow system for the freezer compartment of a refrigerator includes air inlets located at an upper rear portion of the freezer compartment which direct a supply of cooling air forward and against both top and side walls of the compartment. The air then flows along an upper portion of the compartment toward a front thereof where it is re-directed downward and rearward. The bottom wall of the freezer compartment is provided with a plurality of upstanding, laterally spaced ribs upon which food items can be supported. Since the ribs are spaced, numerous channels are formed which extend from the front portion of the compartment to adjacent the rear wall. A gap is preferably created between the rear wall and the ends of the ribs such that air is permitted to flow laterally along a lower rear portion of the compartment. Air outlets or returns are also provided in the lower rear portion of the compartment for recycling of the air.Type: GrantFiled: June 4, 1997Date of Patent: June 15, 1999Assignee: Maytag CorporationInventors: Sheldon W. Mandel, Scott T. Tunzi, Kyle Bryant VanMeter, Robert C. Zimmerman, Paul V. Sikir
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Patent number: 5899546Abstract: A refrigerator cabinet assembly includes a shell formed by opposed, upright side walls and a top wall, all of which have in-turned front and rear face portions with each of the front face portions terminating in a return flange defining a liner receiving cavity opening forwardly of the shell. Each liner receiving cavity is spaced inwardly of a respective side and top wall such that a channel, which is readily accessible from within the shell, is defined. A rear wall is interconnected to the side and top walls by being arranged between and forced to intimately contact a pair of spaced layers defining the rear face portions of each of these walls. A plurality of reinforcement members, including a pair of upper corner plates and a pair of side reinforcement bars adapted to be arranged in the channel, as well as upper and lower crossbars in one preferred embodiment that interconnect the side reinforcement members, are attached to the shell, along with a mullion plate and a faceplate.Type: GrantFiled: June 4, 1997Date of Patent: May 4, 1999Assignee: Maytag CorporationInventors: Jose G. Avendano, Edward Everett Crompton, III, Richard James Miller, John Phillip Myers, John C. Rue, Sr., Robert A. Christenson, Sheldon W. Mandel, Michael A. Mohrfeld, Robert M. Riley, Scott Robert Voll
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Patent number: 5897181Abstract: A refrigerator cabinet assembly includes a shell formed by opposed, upright side walls and a top wall, all of which have in-turned front and rear face portions with each of the front face portions terminating in a return flange defining a liner receiving cavity opening forwardly of the shell. Each liner receiving cavity is spaced inwardly of a respective side and top wall such that a channel, which is readily accessible from within the shell, is defined. A rear wall is interconnected to the side and top walls by being arranged between and forced to intimately contact a pair of spaced layers defining the rear face portions of each of these walls. A plurality of reinforcement members, including a pair of upper corner plates and a pair of side reinforcement bars adapted to be arranged in the channel, as well as upper and lower crossbars in one preferred embodiment that interconnect the side reinforcement members, are attached to the shell, along with a mullion plate and a faceplate.Type: GrantFiled: July 8, 1998Date of Patent: April 27, 1999Assignee: Maytag CorporationInventors: Jose G. Avendano, Edward Everett Crompton, III, Richard James Miller, John Phillip Myers, John C. Rue, Sr., Robert A. Christenson, Sheldon W. Mandel, Michael A. Mohrfeld, Robert M. Riley, Scott Robert Voll
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Patent number: 5271671Abstract: A gasket retention assembly for uniformally maintaining a gasket against a planar surface. The assembly includes a plate formed from a plurality of wave-shaped sections which define crest portions between adjacent trough portions. The plate is adapted to be secured to the planar surface by means of fasteners at the crest portions with a gasket interposed between the plate and planar surface such that the trough portion are deflected to apply a compressive force against the gasket. The assembly is particularly applicable for use in a refrigerator door arrangement having a gasket fixedly secured between a door panel and a door liner.Type: GrantFiled: February 27, 1992Date of Patent: December 21, 1993Assignee: Maytag CorporationInventor: Sheldon W. Mandel
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Patent number: 5040857Abstract: Uniform compression of a refrigerator door seal against the peripheral surface of the cabinet opening is realized by a pair of spaced hinge assemblies coupled for synchronized operation which, in automatic response to opening the door, shifts the hinge axis outwardly prior to permitting pivotal movement of the door about the hinge axis, and requires the door to be moved linearly inwardly while being maintained parallel to the plane of the cabinet opening during final closing of the door.Type: GrantFiled: May 21, 1990Date of Patent: August 20, 1991Assignee: Maytag CorporationInventors: Sheldon W. Mandel, Robert Katz
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Patent number: 4884415Abstract: Heat transfer between metal surfaces warmed by a condenser yoder loop and the storage compartments of a refrigerator is prevented by forming a longitudinal rib around the outwardly extending flanges of the compartment liners, whereby engagement of the external surfaces of the ribs by the door gaskets form positive heat transfer barriers between the warm metal surfaces and the interiors of the compartments.Type: GrantFiled: September 29, 1988Date of Patent: December 5, 1989Assignee: Maytag CorporationInventors: Sheldon W. Mandel, Chinmoy Banerjee
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Patent number: 4728838Abstract: A device for mounting a motor to the wall of a refrigerator whereby the motor is supported on the exterior side of the wall and is provided with a long output shaft which extends through the wall and is supported in a bearing assembly carried by a thermal barrier which maintains stable rotation of the shaft and prevents motor heat from flowing to the bearing assembly.Type: GrantFiled: November 6, 1986Date of Patent: March 1, 1988Inventors: Sheldon W. Mandel, Chinmoy Banerjee
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Patent number: 4674285Abstract: A reflux condensing start-up system comprises a steam generator, a start-up vessel connected parallel to the steam generator, a main steam line connecting steam outlets of the steam generator and start-up vessel to a steam turbine, a condenser connected to an outlet of the turbine and a feedwater return line connected between the condenser and inlets of the steam generator and start-up vessel. The start-up vessel has one or more heaters at the bottom thereof for heating feedwater which is supplied over a start-up line to the start-up vessel. Steam is thus generated to pressurize the steam generator before the steam generator is supplied with a heat transfer medium, for example liquid sodium, in the case of a liquid metal fast breeder reactor. The start-up vessel includes upper and lower bulbs with a smaller diameter mid-section to act as water and steam reservoirs.Type: GrantFiled: October 29, 1984Date of Patent: June 23, 1987Assignee: The Babcock & Wilcox CompanyInventors: Oliver W. Durrant, Chandrasekhara R. Kakarala, Sheldon W. Mandel
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Patent number: 4656335Abstract: A reflux condensing start-up system includes a steam generator, a start-up vessel connected parallel to the steam generator, a main steam line connecting steam outlets of the steam generator and start-up vessel to a steam turbine, a condenser connected to an outlet of the turbine and a feedwater return line connected between the condenser and inlets of the steam generator and start-up vessel. The start-up vessel has one or more heaters at the bottom thereof for heating feedwater which is supplied over a start-up line to the start-up vessel. Steam is thus generated to pressurize the steam generator before the steam generator is supplied with a heat transfer medium, for example liquid sodium, in the case of a liquid metal fast breeder reactor. The start-up vessel includes upper and lower bulbs with a smaller diameter mid-section to act as water and steam reservoirs.Type: GrantFiled: May 16, 1983Date of Patent: April 7, 1987Assignee: The Babcock & Wilcox CompanyInventors: Oliver W. Durrant, Chandrasekhara R. Kakarala, Sheldon W. Mandel