Patents by Inventor Glenn C. Lemmers

Glenn C. Lemmers 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).

  • Electrical terminal device
    Patent number: 10547127
    Abstract: An electrical terminal device adapted to mount to a structure, and including a electrically non-conductive substructure, an electrically non-conductive cover, a heat resistant shroud, and an electric terminal. The substructure is in contact with the structure. The cover is engaged to the substructure. The substructure and the cover define a chamber, and the substructure defines, at least in-part, a sealed passage in communication with the chamber. The heat resistant shroud substantially covers the cover. The cover is substantially located between the shroud and the substructure. The electric terminal is located in the chamber and is attached to the substructure.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: January 28, 2020
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: David S. Behling, Glenn C. Lemmers, Jr., Dhaval Patel, Alan Kasner, Douglas J. Turner
  • Generator arrangements and methods of controlling generator arrangements
    Patent number: 10541634
    Abstract: A generator arrangement includes a stator with armature winding, a rotor with one or more permanent magnets supported for rotation relative to the stator, a variable speed drive, and a control module. The variable speed drive is connected to the rotor for rotating the rotor within a predetermined speed range. The control module is disposed in communication with the armature windings and is operatively connected to the variable speed drive to maintain constant output voltage as load changes by varying rotational speed of the rotor.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: January 21, 2020
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Dhaval Patel, Jonathan C. Dell, Andreas C. Koenig, Glenn C. Lemmers, Jr.
  • Hydraulic unit cylinder block for integrated drive generator
    Patent number: 10539213
    Abstract: A cylinder block for use in an integrated drive generator has a shaft portion with a relatively small outer diameter and a cylindrical body portion having a larger outer diameter than the shaft portion, and said cylindrical body portion formed with a plurality of piston chambers, said cylindrical body portion extending from a first end to a second end, said second end being provided with cylindrical ports leading into said piston chambers and said cylindrical ports having a third end and a fourth end wherein a ratio of a first distance from said first end to said fourth end to a second distance from said first end to said second end being between 0.91 and 0.93. A generator and a method are also described.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: January 21, 2020
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, Jr.
  • Seal plate located between two housing portions in an integrated drive generator
    Patent number: 10533499
    Abstract: A seal plate body has a first the zone including three bolt hole ears and an oil passage ear. A second zone includes four bolt hole ears. A third zone includes six bolt ears and one alignment pin ear. A fourth zone has three bolt hole ears. A fifth zone includes five bolt hole ears and one oil passage ear. A sixth zone includes three bolt hole ears and one alignment pin ear. Each of the bolt hole ears includes a bolt hole, and each of the oil passage ears includes an oil passage hole. An integrated drive generator and a method are also disclosed.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: January 14, 2020
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers
  • Low speed spool generator transmission
    Patent number: 10495186
    Abstract: A low speed spool multispeed transmission includes an input shaft configured to connect to a low pressure spool gearbox, a gear system connected to the input shaft and configured to convert an input speed of the input shaft to an output speed within a predetermined speed range, wherein the gear system includes a plurality of gear states to change the ratio between the input speed and the output speed, and an output shaft connected to the gear system to be rotated by the gear system at the output speed, the output shaft configured to connect to a generator. The input shaft and the output shaft can be coaxial.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: December 3, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventor: Glenn C. Lemmers, Jr.
  • Trim ring gear for integrated drive generator
    Patent number: 10451163
    Abstract: A trim ring gear for use in an integrated drive generator has a ring gear body extending between a first end and a second end. Outer gear teeth are formed on an outer surface, and inner gear teeth are formed on an inner surface. The outer tooth roll angle at A is between 16.0 and 17.5°, at B is between 17.5 and 190°, at C is between 22.0 and 23.5°, and at D is between 23.0 and 24.5°. The inner tooth roll angle at A is between 31.5 and 33.0°, at B is between 30.0 and 31.5°, at C is between 25.5 and 27.0°, and at D is between 24.0 and 25.5°. An integrated drive generator, and a method of replacing the trim ring gear are also disclosed and claimed.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: October 22, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, Jessica M. Friedberg
  • Fixed block shaft inner bearing race for integrated drive generator
    Patent number: 10436251
    Abstract: An inner bearing race has a body extending from a first end to a second end. An inner bearing race surface defined between a pair of lands extends radially outwardly of the inner bearing race surface, with one of the lands extending to the second end. The bearing race surface is defined by inner face surfaces of the lands. The inner bearing race surface extends for an axial distance between the inner facing surfaces along a central axis C of the body and defines a first distance. A second distance defines an outer diameter of the inner bearing race surface is defined as a second distance and a ratio of the first distance to the second distance being between 0.20 and 0.30. An integrated drive generator and a method are also disclosed.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: October 8, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, Jr.
  • Wear ring for integrated drive generator
    Patent number: 10422324
    Abstract: A wear ring for use in an integrated drive generator has a cylindrical body defining an axis and having a tab extending radially outwardly of an outer cylindrical surface of the cylindrical body. The tab has a radially outer point. A ratio of a first radius to the outer cylindrical surface from the axis to a second radius extending to the radially outer point from the axis is between 0.90 and 0.95. An integrated drive generator and a method are also disclosed.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: September 24, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, Jr.
  • PORT PLATE FOR INTEGRATED DRIVE GENERATOR
    Publication number: 20190219041
    Abstract: A port plate for use in an integrated drive generator has a body defining a semi-cylindrical charge port communicating with two circumferentially smaller charge port portions. A diametrically opposed working pressure port has three smaller working pressure ports. A center plane is defined extending through a center axis of a bore within the body and equidistance between circumferential ends of the charge port and the working fluid port. A first angle is defined between the plane and a circumferential end of the smaller charge port. The first angle is between 15 and 25 degrees. An integrated drive generator and a method are also disclosed.
    Type: Application
    Filed: January 18, 2018
    Publication date: July 18, 2019
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, JR.
  • FIXED BLOCK SHAFT FOR INTEGRATED DRIVE GENERATOR
    Publication number: 20190219139
    Abstract: A fixed block shaft has a body extending from a first end to a second end. A disc extends radially outwardly of a shaft portion. The shaft portion extends to the second end. The disc extends radially outwardly from the shaft adjacent the first end with a boss extending to the first end from the disc. The boss defines an inner peripheral surface and the inner peripheral surface has a bearing race. The bearing race extends from the first end to a bearing race end. An inner diameter of the bearing race defines a first distance. An inner diameter of the bearing race is defined as a first distance and the bearing race extends along a central axis for a second distance. A ratio of the first distance to the second distance is between 4.30 and 4.50. An integrated drive generator and a method are also disclosed.
    Type: Application
    Filed: January 15, 2018
    Publication date: July 18, 2019
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, JR.
  • PUMP SLEEVE FOR A CHARGE AND SCAVENGE PUMP OF AN INTEGRATED DRIVE GENERATOR
    Publication number: 20190219050
    Abstract: A pump sleeve for an integrated drive generator has a pump sleeve body extending between a first end and a second end. The first end is at a location adjacent a radially enlarged end plate. The body extends to the second end with a generally cylindrical body portion having an inner bore diameter defining a first distance. The body extends between the first and second ends for a second distance. A ratio of the first distance to the second distance is between 0.15 and 0.30. An integrated drive generator and a method are also disclosed.
    Type: Application
    Filed: January 15, 2018
    Publication date: July 18, 2019
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, Jr.
  • VARIABLE WOBBLER PLATE FOR INTEGRATED DRIVE GENERATOR
    Publication number: 20190222154
    Abstract: A variable wobbler plate has a stub shaft and a pivot shaft. The pivot shaft has a smaller diameter portion and a larger diameter portion. The smaller diameter portion has a generally cylindrical outer periphery with a flat over a limited circumferential extent and a diameter to opposed portions of the generally cylindrical portion defining a first distance. A second distance is defined from an end of the smaller diameter portion spaced furthest from the stub shaft to an end of the larger diameter portion spaced closest to the stub shaft and measured along a central axis of the pivot shaft and defines a second distance. A ratio of the first distance to the second distance is between 0.60 and 0.75. An integrated drive generator and a method are also disclosed.
    Type: Application
    Filed: January 18, 2018
    Publication date: July 18, 2019
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, JR.
  • CAM LINER FOR INTEGRATED DRIVE GENERATOR
    Publication number: 20190219144
    Abstract: A cam liner for use in an integrated drive generator has a cam liner body extending between a first end spaced from the second end by a first distance. The body is generally cylindrical. An outer diameter of the cam liner defines a second distance. A ratio of the first distance to the second distance is between 0.90 and 1.00. An integrated drive generator and a method are also disclosed.
    Type: Application
    Filed: January 18, 2018
    Publication date: July 18, 2019
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, JR.
  • TERMINAL LEAD SUPPORT FOR USE IN INTEGRATED DRIVE GENERATOR
    Publication number: 20190222092
    Abstract: A terminal lead support for use in an integrated drive generator has a body defining an outer end extending to two outer angled surfaces. The outer angled surfaces each extend to curved end portions. The curved end portions connect the outer angled surfaces into inner angled surfaces. The inner angled surfaces each extend into cupped portions formed about a radius. There are six apertures formed within the body, with laterally outer apertures spaced from the outer surface by a greater amount than laterally intermediate apertures. The laterally intermediate apertures are spaced from the outer surface by a greater amount than laterally inner apertures. An integrated drive generator and a method of replacing a terminal lead support are also disclosed.
    Type: Application
    Filed: January 16, 2018
    Publication date: July 18, 2019
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, JR.
  • FIXED BLOCK SHAFT INNER BEARING RACE FOR INTEGRATED DRIVE GENERATOR
    Publication number: 20190211871
    Abstract: An inner bearing race has a body extending from a first end to a second end. An inner bearing race surface defined between a pair of lands extends radially outwardly of the inner bearing race surface, with one of the lands extending to the second end. The bearing race surface is defined by inner face surfaces of the lands. The inner bearing race surface extends for an axial distance between the inner facing surfaces along a central axis C of the body and defines a first distance. A second distance defines an outer diameter of the inner bearing race surface is defined as a second distance and a ratio of the first distance to the second distance being between 0.20 and 0.30. An integrated drive generator and a method are also disclosed.
    Type: Application
    Filed: January 11, 2018
    Publication date: July 11, 2019
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, JR.
  • TERMINAL BLOCK FOR USE IN INTEGRATED DRIVE GENERATOR
    Publication number: 20190214881
    Abstract: A terminal block for use in an integrated drive generator has a body having an outer support surface and extending to an inner surface. There are four connection channels for supporting electric connections for each of three phases of power and a neutral. There are fingers formed between adjacent ones of each of the four connection channels, with the fingers extending away from the support surface in a direction away from the inner surface. An integrated drive generator and a method are also disclosed.
    Type: Application
    Filed: January 11, 2018
    Publication date: July 11, 2019
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, JR.
  • VARIABLE BLOCK SHAFT FOR INTEGRATED DRIVE GENERATOR
    Publication number: 20190211910
    Abstract: A variable block shaft has a radially enlarged disc formed at a first end. A shaft portion extends from the disc to a second end. An inner bearing race surface is defined intermediate the first and second end and has an outer peripheral surface. An axial length of the inner bearing race surface is defined between inner facing surfaces of lands at each axial side. The axial distance is measured along the center axis of the body and an outer diameter to the inner bearing race surface being defined as a first distance. The axial length of the inner bearing race surface is defined as a second distance and a ratio of the first distance to the second distance being between 3.75 and 3.90. An integrated drive generator and a method are also disclosed.
    Type: Application
    Filed: January 11, 2018
    Publication date: July 11, 2019
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, JR.
  • Sun gear for an integrated drive generator
    Patent number: 10344845
    Abstract: A sun gear for an integrated drive generator (IDG) includes a sun gear body having an outer diametric edge and an inner diametric wall. The outer diametric edge includes 33 gear teeth.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: July 9, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Glenn C. Lemmers, Jr., Aaron M. Finke, Doren C. Smith, Andrew P. Grosskopf, David S. Behling
  • INPUT SHAFT FOR USE IN INTEGRATED DRIVE GENERATOR
    Publication number: 20190203647
    Abstract: An input drive shaft for use in an integrated drive generator has a body extending from an end to a clutch face. The clutch face includes a plurality of clutch teeth extending away from a nominal surface of the body. The clutch face defines an inner bore of a first diameter. The clutch face has an outer peripheral surface defining a second diameter and a ratio of the first diameter to the second diameter is between 1.50 and 1.65. An integrated drive generator and a method are also disclosed.
    Type: Application
    Filed: January 4, 2018
    Publication date: July 4, 2019
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, JR.
  • TERMINAL LEAD ASSEMBLY FOR USE IN INTEGRATED DRIVE GENERATOR
    Publication number: 20190207467
    Abstract: A terminal lead assembly for use in an integrated drive generator has a body formed of a lead portion and a support portion. The lead portion is received within an aperture in the support portion. The support portion has an outer periphery defined within a plane extending perpendicularly to a central axis of the lead portion. The outer periphery includes two curved portions and straight side portions extending parallel to each other and connecting the curved portions. An integrated drive generator and a method are also disclosed.
    Type: Application
    Filed: January 4, 2018
    Publication date: July 4, 2019
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, Jr.