Patents by Inventor Dominicus Fredericus Mulder
Dominicus Fredericus Mulder 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).
-
Patent number: 7997329Abstract: The invention relates to a cylindrical vessel having a cylindrical shell provided internally with a tube bundle having a number of parallel tubes and axially spaced apart transverse supports for supporting the tubes in the cylindrical vessel, wherein each transverse support is a sheet of expanded metal.Type: GrantFiled: February 5, 2003Date of Patent: August 16, 2011Assignee: Shell Oil CompanyInventor: Dominicus Fredericus Mulder
-
Patent number: 7934301Abstract: A sheet of expanded metal produced by slitting a sheet of metal, and stretching along a stretching direction, which sheet of expanded metal forms a grid of openings having a first repetition length in the stretching direction and a second repetition length in the direction perpendicular to the stretching direction, wherein the first and second repetition lengths are substantially equal. A sheet of expanded metal having a stretching angle larger than 90 degrees. Use of a sheet of expanded metal according to the invention for supporting a bundle of parallel tubes. A method of manufacturing expanded metal from pre-expanded metal, wherein expansion force is applied at a plurality of points perpendicular to the stretching direction, wherein the expansion force is applied using a plurality of force transmitters co-operating with the plurality of points, and wherein the force transmitters are arranged so that they can move towards each other in the second direction while applying extension force.Type: GrantFiled: October 3, 2007Date of Patent: May 3, 2011Assignee: Shell Oil CompanyInventor: Dominicus Fredericus Mulder
-
Publication number: 20110000650Abstract: Indirect heat exchange device comprising heat exchanger tubes arranged in at least 2 layers each of which layers comprises at least 2 heat exchanger tubes wherein the heat exchanger tubes are eccentrically finned (53) heat exchanger tubes having a ratio of surface area of the fins to surface area of the tube of at least 5, and in which device the heat exchanger tubes have similar eccentricity; and method of exchanging heat with the help of such device.Type: ApplicationFiled: May 14, 2008Publication date: January 6, 2011Inventor: Dominicus Fredericus Mulder
-
Publication number: 20100282450Abstract: A heat exchanger shell assembly comprising an outer shell having a nozzle at its lower side; an inner shell member within the outer shell and forming an intermediate space with the outer shell, the inner shell member having an opening at its lower side; wherein the arrangement further comprises a seal member arranged to fit in the intermediate space, the seal member providing a sealed passageway for fluid between the opening and the nozzle, and a method of assembling a heat exchanger shell structure, and a method of assembling a heat exchanger shell structure, comprising sliding an inner shell member into an outer shell, to form an intermediate space, arranging the inner shell member in a lifted position in the outer shell; sliding a seal member into the intermediate space; and lowering the inner shell member so that the gravity force exerted on the seal member acts as sealing force.Type: ApplicationFiled: May 27, 2008Publication date: November 11, 2010Inventor: Dominicus Fredericus Mulder
-
Publication number: 20100116477Abstract: An assembly (1) of baffles and seals for mounting in a heat exchanger shell (4), which assembly (1) comprises a plurality of longitudinal baffles (6,7); at least one longitudinal seal (14,16,17), wherein the assembly (1) further comprises a wall member (21, 22) that is arranged to extend between spaced apart longitudinal baffles (6,7) so as to form a double wall with the heat exchanger shell (4) after mounting, and wherein the at least one longitudinal seal (14,16,17) is arranged on the wall member (21, 22) and away from the longitudinal baffles (6,7) so as to sealingly engage the wall member (21, 22) against the heat exchanger shell (4) after mounting.Type: ApplicationFiled: December 12, 2007Publication date: May 13, 2010Inventor: Dominicus Fredericus Mulder
-
Patent number: 7610953Abstract: An assembly of baffles and seals for mounting in a heat exchanger shell, comprising a plurality of longitudinal baffles; a plurality of longitudinal seals for sealingly engaging longitudinal rims of the longitudinal baffles against the heat exchanger shell after mounting, and further a wall member that is arranged to extend between longitudinal seals of adjacent longitudinal baffles so as to form a double wall with the heat exchanger shell after mounting. A method of assembling a heat exchanger, comprising providing a heat exchanger shell and an assembly of baffles and seals according to the invention; assembling the assembly of baffles and seals outside the heat exchanger shell and introducing the assembled arrangement into the heat exchanger shell so that each wall member forms a double wall with the heat exchanger shell.Type: GrantFiled: June 22, 2006Date of Patent: November 3, 2009Assignee: Shell Oil CompanyInventor: Dominicus Fredericus Mulder
-
Publication number: 20090200004Abstract: A support for a bundle of tubes, which support has more than one transverse support plates spaced apart along the direction of the tubes to be supported, and which support plates are provided with openings for accommodating the tubes, wherein the support plates are segmental baffle support elements and expanded metal support elements.Type: ApplicationFiled: April 24, 2009Publication date: August 13, 2009Inventors: Stephen Wayne Johnston, Dominicus Fredericus Mulder
-
Publication number: 20090131692Abstract: Integrated preparation and separation process comprising a preparation process wherein a byproduct is produced; and a gas separation process wherein a first component is separated from a mixture of components by diffusion of the first component through a porous partition into a stream of sweeping component; wherein the byproduct produced in the preparation process is subsequently used as the sweeping component in the separation process, and an industrial set-up for use in such a process.Type: ApplicationFiled: December 27, 2005Publication date: May 21, 2009Applicant: SHELL OIL COMPANYInventors: Andre Buijs, Gerrit Jan Harmsen, Dominicus Fredericus Mulder, Anton Pieter Westerink
-
Publication number: 20090118551Abstract: Integrated separation and preparation process comprising a gas separation process wherein a first component is separated from a mixture of components by diffusion of the first component through a porous partition into a stream of sweeping component; and a preparation process wherein the sweeping component is used as feed. Separation unit and device for use in such a process and industrial set-up for use in such a process.Type: ApplicationFiled: December 27, 2005Publication date: May 7, 2009Inventors: Andre Buijs, Leslie Andrew Chewter, Gerrit Jan Harmsen, Evert Van Der Heide, Jean-Francois Menard, Dominicus Fredericus Mulder, Wouter Spiering
-
Patent number: 7389811Abstract: A sheet of expanded metal produced by slitting a sheet of metal, and stretching along a stretching direction, which sheet of expanded metal forms a grid of openings having a first repetition length in the stretching direction and a second repetition length in the direction perpendicular to the stretching direction, wherein the first and second repetition lengths are substantially equal. A sheet of expanded metal having a stretching angle larger than 90 degrees. Use of a sheet of expanded metal according to the invention for supporting a bundle of parallel tubes. A method of manufacturing expanded metal from pre-expanded metal, wherein expansion force is applied at a plurality of points perpendicular to the stretching direction, wherein the expansion force is applied using a plurality of force transmitters co-operating with the plurality of points, and wherein the force transmitters are arranged so that they can move towards each other in the second direction while applying extension force.Type: GrantFiled: August 6, 2004Date of Patent: June 24, 2008Assignee: Shell Oil CompanyInventor: Dominicus Fredericus Mulder
-
Patent number: 7284598Abstract: A support for a bundle of parallel tubes, comprising at least two spaced apart transverse support plates, wherein each plate is provided with a plurality of openings of substantially rhombical or substantially frustro-rhombical shape, each of which openings having a maximum of two mirror symmetry axes including a characteristic mirror symmetry axis, the openings being large enough to accommodate at least two tubes, wherein openings in different support plates are arranged to form support passages for parallel tubes so that support passages extending through the same opening in one support plate extend through different openings in another support plate, and wherein the characteristic mirror symmetry axes of at least two openings belonging to the same support passage are arranged to extend in different directions.Type: GrantFiled: August 6, 2004Date of Patent: October 23, 2007Assignee: Shell Oil CompanyInventor: Dominicus Fredericus Mulder
-
Publication number: 20030173066Abstract: The invention relates to a cylindrical vessel having a cylindrical shell provided internally with a tube bundle having a number of parallel tubes and axially spaced apart transverse supports for supporting the tubes in the cylindrical vessel, wherein each transverse support is a sheet of expanded metal.Type: ApplicationFiled: February 5, 2003Publication date: September 18, 2003Inventor: Dominicus Fredericus Mulder