Patents Represented by Attorney J. David Dainow

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  • Hot-gas machine comprising a heat transfer device
    Patent number: 3950947
    Abstract: A hot-gas engine including a heater and a source of heat in combination with a switching device for conveying heat from the heat source to heater, the device including a pair of spaced heat pipes with third intermediate heat pipe and means for introducing inert gas into said third heat pipe and removing said gas to vary the vaporization point therein and the rate of heat transfer therethrough.
    Type: Grant
    Filed: October 25, 1974
    Date of Patent: April 20, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Adrianus Petrus Dirne, George Albert Apolonia Asselman, Herman Henricus Maria Van Der
  • Shaving head for dry-shavers
    Patent number: 3947961
    Abstract: Shaving head for a dry-shaver having an arched perforated cutter foil and a cooperating lower cutter resiliently urged into the foil. For cleaning purposes the lower cutter is rotatable about a longitudinal axis from the first position, in which its blade edges cooperate with the foil, to a second position in which the blade edges are accessible for cleaning, when the shaving head is removed from the shaver.
    Type: Grant
    Filed: April 29, 1974
    Date of Patent: April 6, 1976
    Assignee: U.S. Philips Corporation
    Inventor: Gerald Meyer
  • Combined device for producing and exchanging heat with a heat consuming device
    Patent number: 3948245
    Abstract: A combined heat-producing and heat-exchanging system in which sodium or a mixture of lithium and sodium and/or potassium is reacted in a reaction vessel with fluorine and/or chlorine or gaseous compounds of these halogens, while the sodium and/or potassium vapour formed as a result of the produced heat is passed on to the heat exchanger of a heat-consuming device and the condensate is led back to the reaction vessel.
    Type: Grant
    Filed: September 25, 1974
    Date of Patent: April 6, 1976
    Assignee: U.S. Philips Corporation
    Inventor: van der Sluys
  • Rotary regenerative heat-exchanger
    Patent number: 3945430
    Abstract: A rotary heat-exchanger comprising a control device which is controlled by the variable pressure of one of the two hot and cold gas flows, the control device exerting a force on the rotor which force is proportional to the resultant gas flow pressure, in order to maintain a fixed axial position of the rotor with respect to the rotor housing.
    Type: Grant
    Filed: January 20, 1975
    Date of Patent: March 23, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Henricus Cornelis Johannes van Beukering, Albertus Peter Johannes Michels
  • Heating device
    Patent number: 3943964
    Abstract: A heating device formed as a double-wall tubular heat pipe with a closed annular space between outer and inner walls containing a vaporizable liquid heat-transporting medium, and a cylindrical bore defined within said inner tube as the heating space for objects to be heated, said annular space having end walls closing its ends, and means for transmitting heat through one of said end walls into said space.
    Type: Grant
    Filed: December 19, 1974
    Date of Patent: March 16, 1976
    Assignee: U.S. Philips Corporation
    Inventors: George Albert Apolonia Asselman, Adrianus Petrus Dirne, Petrus Helena Gerardus Maria Vromans
  • Device for converting calorific energy into mechanical energy
    Patent number: 3935708
    Abstract: An engine including a combustion chamber having connected thereto a combustion-air inlet duct in which a first restriction is incorporated, and a flue-gas return duct incorporating a second restriction connected to a part of the combustion air duct which is situated between the combustion chamber and the first restriction.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: February 3, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Arend Harrewijne, Albertus Peter Johannes Michels, Franciscus Wilhelmus Engelbert Gasseling
  • Rolling diaphragm seal between two relatively moving parts
    Patent number: 3934480
    Abstract: A connection of a rolling diaphragm to the inner one of two coaxially arranged piston and cylinder elements, the diaphragm having a thickened end accommodated in a groove in the wall of an annular face of the piston. An elastic ring clamped about the piston locks the thickened end of the seal in the groove.
    Type: Grant
    Filed: July 11, 1973
    Date of Patent: January 27, 1976
    Assignee: U.S. Philips Corporation
    Inventor: Anton Marie Nederlof