Patents by Inventor David John Howard Eames
David John Howard Eames 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: 10988035Abstract: An alternating current type electric propulsion system is described that includes an AC generator and a plurality of propulsors electrically coupled to the AC generator. A first propulsor from the plurality of propulsors includes a first motor that drives a first fan of the first propulsor at a first speed. A second propulsor from the plurality of propulsors comprises a second motor that drives a second fan of the second propulsor at a second speed that is different than the first speed.Type: GrantFiled: October 11, 2019Date of Patent: April 27, 2021Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies, Inc., Rolls-Royce PLCInventors: Michael James Armstrong, Mark Jon Blackwelder, David John Howard Eames, Ellis Fui Hen Chong
-
Publication number: 20200047897Abstract: An alternating current type electric propulsion system is described that includes an AC generator and a plurality of propulsors electrically coupled to the AC generator. A first propulsor from the plurality of propulsors includes a first motor that drives a first fan of the first propulsor at a first speed. A second propulsor from the plurality of propulsors comprises a second motor that drives a second fan of the second propulsor at a second speed that is different than the first speed.Type: ApplicationFiled: October 11, 2019Publication date: February 13, 2020Inventors: Michael James Armstrong, Mark Jon Blackwelder, David John Howard Eames, Ellis Fui Hen Chong
-
Patent number: 10442542Abstract: An alternating current type electric propulsion system is described that includes an AC generator and a plurality of propulsors electrically coupled to the AC generator. A first propulsor from the plurality of propulsors includes a first motor that drives a first fan of the first propulsor at a first speed. A second propulsor from the plurality of propulsors comprises a second motor that drives a second fan of the second propulsor at a second speed that is different than the first speed.Type: GrantFiled: June 8, 2016Date of Patent: October 15, 2019Assignees: Rolls-Royce North American Technologies, Inc., Rolls-Royce Corporation, Rolls-Royce PLCInventors: Michael James Armstrong, Mark Jon Blackwelder, David John Howard Eames, Ellis Fui Hen Chong
-
Patent number: 9581025Abstract: An aircraft power plant is disclosed having a plurality of bladed rotors in flow communication driven by separate work producing devices. The work producing devices can take a variety of forms including an internal combustion engine and electric motor, for example. The bladed rotors can be associated with an aircraft pylon and can be driven independently to separate operating conditions to provide optimum performance. For example, the bladed rotors can be driven to separate operating conditions that improve a noise signature or performance of the aircraft.Type: GrantFiled: December 27, 2013Date of Patent: February 28, 2017Assignee: Rolls-Royce CorporationInventor: David John Howard Eames
-
Publication number: 20160362187Abstract: An alternating current type electric propulsion system is described that includes an AC generator and a plurality of propulsors electrically coupled to the AC generator. A first propulsor from the plurality of propulsors includes a first motor that drives a first fan of the first propulsor at a first speed. A second propulsor from the plurality of propulsors comprises a second motor that drives a second fan of the second propulsor at a second speed that is different than the first speed.Type: ApplicationFiled: June 8, 2016Publication date: December 15, 2016Inventors: Michael James Armstrong, Mark Jon Blackwelder, David John Howard Eames, Ellis Fui Hen Chong
-
Publication number: 20140250861Abstract: An aircraft power plant is disclosed having a plurality of bladed rotors in flow communication driven by separate work producing devices. The work producing devices can take a variety of forms including an internal combustion engine and electric motor, for example. The bladed rotors can be associated with an aircraft pylon and can be driven independently to separate operating conditions to provide optimum performance. For example, the bladed rotors can be driven to separate operating conditions that improve a noise signature or performance of the aircraft.Type: ApplicationFiled: December 27, 2013Publication date: September 11, 2014Applicant: ROLLS-ROYCE CORPORATIONInventor: David John Howard EAMES
-
Patent number: 8701381Abstract: A system for aircraft propulsion is disclosed herein. The system includes a power plant. The system also includes an open rotor module operable to rotate. The open rotor module has a plurality of variable-pitch blades. The system also includes a first linkage extending between the power plant and the open rotor module. The first linkage is operable to transmit rotational power to the open rotor module for rotating the plurality of variable-pitch blades. The system also includes an actuator operable to change a pitch of the plurality of variable-pitch blades. The system also includes a generator operable to generate electric power. The system also includes a second linkage extending between the power plant and the generator. The second linkage is operable to transmit rotational power to the generator. The generator is operable to convert the rotational power to electrical power. The system also includes a controller operably coupled to the actuator to vary a pitch of the plurality of variable-pitch blades.Type: GrantFiled: November 24, 2010Date of Patent: April 22, 2014Assignee: Rolls-Royce CorporationInventor: David John Howard Eames
-
Patent number: 8376263Abstract: A roadable aircraft and an associated method are disclosed herein. The roadable aircraft includes a body extending along a longitudinal axis and operable to house a human occupant. The roadable aircraft also includes at least first and second wings each being selectively moveable relative to the body between a retracted position for stowing and an extended position for flight. Each of the first and second wings extend a wing cord along the longitudinal axis when in the extended position between a leading edge and a wing trailing-edge vectoring nozzle. The roadable aircraft also includes a system for directing first and second streams of air through the first and second wings, respectively, and out of the first and second wing trailing-edge vectoring nozzles such that thrust for the body is generated. In addition, embodiments of the invention can include a plurality of deployable, vectoring lift fans which are also capable of producing thrust.Type: GrantFiled: August 27, 2010Date of Patent: February 19, 2013Assignee: Rolls-Royce CorporationInventor: David John Howard Eames
-
Publication number: 20120128487Abstract: A system for aircraft propulsion is disclosed herein. The system includes a power plant. The system also includes an open rotor module operable to rotate. The open rotor module has a plurality of variable-pitch blades. The system also includes a first linkage extending between the power plant and the open rotor module. The first linkage is operable to transmit rotational power to the open rotor module for rotating the plurality of variable-pitch blades. The system also includes an actuator operable to change a pitch of the plurality of variable-pitch blades. The system also includes a generator operable to generate electric power. The system also includes a second linkage extending between the power plant and the generator. The second linkage is operable to transmit rotational power to the generator. The generator is operable to convert the rotational power to electrical power. The system also includes a controller operably coupled to the actuator to vary a pitch of the plurality of variable-pitch blades.Type: ApplicationFiled: November 24, 2010Publication date: May 24, 2012Inventor: DAVID JOHN HOWARD EAMES
-
Publication number: 20120048989Abstract: A roadable aircraft and an associated method are disclosed herein. The roadable aircraft includes a body extending along a longitudinal axis and operable to house a human occupant. The roadable aircraft also includes at least first and second wings each being selectively moveable relative to the body between a retracted position for stowing and an extended position for flight. Each of the first and second wings extend a wing cord along the longitudinal axis when in the extended position between a leading edge and a wing trailing-edge vectoring nozzle. The roadable aircraft also includes a system for directing first and second streams of air through the first and second wings, respectively, and out of the first and second wing trailing-edge vectoring nozzles such that thrust for the body is generated. In addition, embodiments of the invention can include a plurality of deployable, vectoring lift fans which are also capable of producing thrust.Type: ApplicationFiled: August 27, 2010Publication date: March 1, 2012Inventor: DAVID JOHN HOWARD EAMES