116 patents
Page 2 of 6
Utility
Shock Absorbing Actuator End Stop
13 Apr 23
A linear actuator comprising a shaft and a nut in engagement with the shaft such that the nut translates within a linear range of motion axially on a center axis relative to the shaft in response to relative rotation between the nut and the shaft, a stop positioned at a travel limiting position and having a rotational input portion and an axial output portion, the rotational input portion configured to rotate about the center axis relative to the shaft, the axial output portion constrained from rotating about the center axis relative to the shaft and configured to translate axially on the center axis relative to the rotational input portion in response to relative rotation between the axial output portion and the rotational input portion, and an axially compliant member configured to bias the axial output portion towards the travel limiting position.
Seth E. Gitnes
Filed: 24 Mar 21
Utility
Variable Reluctance Resolver Using Surface Mounted Inductors And/or Transformers
13 Apr 23
A variable reluctance resolver with a stator assembly including a printed circuit board having a first surface and a second surface.
William J. Ekhaml, Heath E. Kouns
Filed: 23 Mar 21
Utility
Apparatus for controlling the switch-over of hydraulic cylinders
4 Apr 23
An electro-hydrostatic drive for realizing a rapid movement during a rapid movement phase, a force-building movement during a force-building movement phase.
Dirk Becher, Werner Haendle, Achim Helbig, Christoph Boes
Filed: 1 Aug 18
Utility
Fault Tolerant Multiple Rotary Actuator Assembly
23 Mar 23
An actuator assembly comprising an output member rotatable about a center axis relative to a structure, a first actuator having a first stator fixed to the structure and a first rotor rotatable about the center axis relative to the first stator, a second actuator having a second stator coupled to the first rotor such that the second stator rotates about the center axis relative to the first stator with rotation of the first rotor about the center axis and having a second rotor rotationally coupled to the output member, a controller configured in a failure mode to drive one of the first actuator or the second actuator to selectively control the rotation of the output member about the center axis with an operational failure of the other of the first actuator or the second actuator.
Paul A. Stoelting
Filed: 26 Feb 21
Utility
Electrohydrostatic actuator system with an expansion reservoir
14 Mar 23
An electrohydrostatic actuator system comprising: a volume- and/or speed-variable hydraulic machine which is driven by an electric motor, for providing a volumetric flow of a hydraulic fluid; a differential cylinder with a piston side and a ring side; and at least one pretensioning source.
Sascha Dany, Reiner Kohlhaas, Achim Helbig, Werner Handle
Filed: 8 Aug 19
Utility
Apparatus and method for cylinder changeover with a mechanically lockable force-building cylinder
14 Feb 23
An electro-hydrostatic drive for realizing a rapid movement and a force-building movement, comprising a hydro-machine with variable volume and/or rotational speed, driven by an electric motor, for providing a volume-flow of a hydraulic fluid, a first cylinder with a housing, a piston, a cylinder rod, and a first and a second cylinder chamber, a second cylinder with a piston, a cylinder rod, and a first and a second cylinder chamber, a moveable carrier plate, a pillar, and a clamping apparatus to clamp and/or unclamp the first cylinder to the pillar, where the hydraulic drive has a closed hydraulic circuit, which has, when run, a positive pressure above atmospheric pressure and which, by utilizing the hydro-machine, can pressurize either the first or the second cylinder chamber of the first cylinder and/or the first or the second cylinder chamber of the second cylinder.
Werner Haendle, Achim Helbig, Christoph Boes, Michael Sieber
Filed: 3 Dec 18
Utility
Claw pole motor with a ring coil and a meandering coil
14 Feb 23
A claw-pole motor having a rotor assembly orientated about a longitudinal axis, a stator assembly having a first plurality of stator teeth and a second plurality of stator teeth orientated radially about the longitudinal axis and extending axially in opposite directions to each other and alternating about the longitudinal axis, a first gap in the stator assembly orientated about the longitudinal axis, a second gap orientated about the longitudinal axis and extending both axially and radially between the first plurality of stator teeth and the second plurality of stator teeth, first electromagnetic windings disposed in the first gap and second electromagnetic windings disposed in the second gap, the first and second windings configured to be selectively energized to exert a torque on the rotor assembly.
Robert P. Gerbetz
Filed: 30 Aug 19
Utility
Electrohydrostatic System with Pressure Sensor
26 Jan 23
The present invention relates to an electrohydrostatic system having a hydraulic cylinder comprising a first cylinder chamber and a second cylinder chamber.
Sascha Dany, Sven Müller, Kohlhaas Reiner
Filed: 18 Nov 20
Utility
Teleoperation system, method, apparatus, and computer-readable medium
24 Jan 23
Embodiments of the present disclosure provide a system, method, apparatus and computer-readable medium for teleoperation.
Michael G. Fattey, Jos Meuleman, Gonzalo Rey
Filed: 5 Oct 18
Utility
Extrusion press with electro-hydrostatic control system
24 Jan 23
The present invention relates to an extrusion press (10, 20, 30) with a press cylinder (111), the press cylinder (111) being driven with an electro-hydrostatic control system (104) for a power transmission and being connected to a separate drive (120, 400) for rapid traverse, with a container (115), wherein the container (115) is connected to a hydraulic cylinder (117) for a power transmission and to a further separate drive (119, 300) for rapid traverse, with a hydraulic cylinder (101) with a locking device (103) for driving a shearing tool (102), wherein the hydraulic cylinder (101) is connected to the electro-hydrostatic control system (104), and wherein the press cylinder (111) in the power transmission and the hydraulic cylinder (101) for driving a shearing tool (102) are controlled alternately via the common electro-hydrostatic control system (104).
Klaus Kirch
Filed: 11 Jun 19
Utility
Variable rotary mass vibration suppression system
17 Jan 23
A vibration suppression unit for an aircraft comprising a vibration control frame adapted to be mounted to the aircraft and to rotate about a central axis, a first motor configured to rotate the vibration control frame about the central axis, a second motor configured to rotate a first and second center of mass about a first and second axis or rotation, a third motor configured to adjust a variable distance between the first and second centers of mass and the first and second axis of rotation, respectively, and a controller for receiving input signals and outputting command signals to the first, second and third motors.
John Kopp
Filed: 30 Mar 18
Utility
Motion Simulator Fault Tolerant Load Carrying Pivot Connection
15 Dec 22
A motion simulator comprising a base (102), a platform (104), and a plurality of linear actuators (108) connecting the base and platform via a joint having at least two degrees of freedom, the joint (15) comprising an actuator clevis comprising first and second side lugs having first and second lug openings retaining a clevis pin, an anchor clevis retaining an axel comprising first and second axel fault retaining protrusions and an axel opening receiving the clevis pin and having primary and secondary axel passage sections, the first side lug opening, pin and first axel fault retaining protrusion having a primary lug radial clearance difference between a primary inner radius of the first lug opening and an outer radius of the pin that is less than a secondary lug radial clearance difference between a secondary lug inner radius of the first lug opening and a retaining outer radius of the first axel fault retaining protrusion.
Richard DeAngelis, Willem A. De Graaf
Filed: 13 Nov 20
Utility
Infusion pump latch mechanism and associated free-flow protection device
13 Dec 22
An infusion pump apparatus includes a length of resilient tubing removably loadable in an infusion pump having a housing, a pumping mechanism, and a pump door.
Azur Azapagic, Mohan Jonathan Barkley
Filed: 25 Nov 19
Utility
Enteral Feeding Pump Docking Station Having Integrated Flush Module
1 Dec 22
A docking station for removable connection to an enteral feeding pump enables automated flushing of an administration set loaded in the enteral feeding pump.
Kent F. BECK, Pablo A. JIMÉNEZ CASTRO, Justin Lyall SMITH, James A. MALMSTROM, Daniel Sabin SZCZOTKA, Stephen J. Brown, Jeffrey D. GEISLER, J. Ryan STANFIELD
Filed: 27 May 21
Utility
Claw-pole motor with rotor flux concentrators and poles and stator with solenoid coil and alternating stator teeth
22 Nov 22
A claw-pole motor comprising a non-magnetic rotary shaft having a longitudinal axis, a plurality of flux concentrators extending along the longitudinal axis of the rotary shaft, and a plurality of magnetic claw poles extending along the longitudinal axis of the rotary shaft, each of the plurality of flux concentrators alternating with each of the magnetic claw poles about the rotary shaft, and a stator having a plurality of coil assemblies, each coil assembly including a solenoid coil and an enclosure having a upper portion and lower portion, the upper portion and the lower portion of the enclosure having alternating stator teeth about the longitudinal axis.
Steve Zong-Ping Zhao
Filed: 25 Jul 19
Utility
Press drive with energy recovery
15 Nov 22
An electro-hydrostatic actuator system for a press drive, having an upper piston with a press surface, which acts from a first direction, wherein the press surface of the upper piston is actuated by means of a piston rod in a hydraulic cylinder of the upper piston and traverses a first distance in a press run, and a first electro-hydrostatic actuator for driving the upper piston, comprising a first pump and a first motor generators which is controlled by a first controller.
Klaus Kirch
Filed: 14 Mar 19
Utility
System for an aircraft wing
15 Nov 22
A system for an aircraft wing including a power drive unit (101), a first actuator (104C) for actuating a first aerodynamic device (103), a second actuator (104A) for actuating a second aerodynamic device (102), a first drive path (109B) configured to operate between the power drive unit (101) and the first actuator (104C), a second drive path (109A) operably connecting the power drive unit (101) and the second actuator (104A), the first drive path (109B) including a lost motion device (108A), the lost motion device (108A) being configured to selectively operably connect the power drive unit (101) to the first actuator (104C) and selectively operably disconnect the power drive unit (101) from the first actuator (104C).
Glynn Thomas
Filed: 17 Apr 19
Utility
Radial Reciprocating Engine Having a Ball Piston
3 Nov 22
The invention relates to a radial reciprocating engine (1) having cylinders (5) arranged in a cylinder carrier (16) and a piston element (21) arranged in each cylinder (5) that is connected to a guide element (22), wherein the guide element (22) runs on a slide surface (14), whereby a stroke movement is imposed on the piston element (21).
Dirk Becher, Daniel Flach
Filed: 18 Jun 20
Utility
Electro-hydrostatic Actuation System
20 Oct 22
An electro-hydrostatic actuation system and a method for driving a hydraulic actuator, e.g. a hydraulic cylinder, are described, wherein the system comprising a leakage branch, and wherein preferably an additional pump is arranged.
Tino Kentschke, Dirk Becher, Achim Helbig, Werner Händle
Filed: 15 Oct 20
Design
Administration set for infusion pump
18 Oct 22
Azur Azapagic, Douglas Paul Orr, Daniel Martel
Filed: 21 Nov 21