Patents Examined by Mary A. Davis
  • Patent number: 9920688
    Abstract: Combustion engine having a rotor, a housing and at least two combustion chambers which are formed between the rotor and the housing, wherein the housing has at least one ignition recess on the side thereof which faces the rotor, into which ignition recess a fuel feed and ignition system opens. At least one valve device which is mounted rotatably in the housing is configured for dividing the combustion chambers at least temporarily into an ignition chamber and a compression chamber. The valve device has at least one rotor passage section, at least one closing section and at least one gas passage section. Alternatively, the valve device temporarily at the same time disconnects a compression chamber from a first combustion chamber and an ignition chamber from a second combustion chamber, wherein there is a fluidic connection during this time between the ignition chamber and the compression chamber.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: March 20, 2018
    Inventor: Alexander M. Zink
  • Patent number: 9920758
    Abstract: An eccentric screw pump comprising an outer part (2) and an inner part (3) therein, one of the parts (2, 3) being driven rotatably and the other part (2, 3) being able to move eccentrically relative to the other part (3, 2). The screwthreads (5a, 5b) of the outer part (2) extend angularly over less than an entire helix along the axial length (L) of the part, so that during operation pumping chambers that are open to both ends are created, through which sudden pressure relief takes place.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: March 20, 2018
    Assignee: WILO SE
    Inventors: Guenter Strelow, Thomas Mueller, Roland Stracke, Viktor Warkentin
  • Patent number: 9909514
    Abstract: A method for a turbocharged engine, comprising: during high load conditions, in response to an elevated engine temperature, after port injecting a first quantity of a first gaseous fuel, direct injecting a second quantity of a second, liquid fuel at a first timing that is a function of a desired air-fuel ratio. In this way, engine power may be maximized while simultaneously decreasing the maximum combustion temperature and mitigating engine knock.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: March 6, 2018
    Assignee: Ford Global Technologies, LLC
    Inventors: Mark Allen Dearth, David Karl Bidner, Gopichandra Surnilla, Ross Dykstra Pursifull
  • Patent number: 9909531
    Abstract: A thrust reverser actuation system for a jet engine having a turbine engine surrounded by a nacelle to define an annular air flow path between the turbine engine and the nacelle, with a thrust reverser having a movable element to reverse the direction of at least a portion of the air flow along the air flow path, where the thrust reverser actuation system includes a hydraulic actuator configured to be operably coupled to the movable element, and a remote actuator that controls the inhibit function of the hydraulic system.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: March 6, 2018
    Assignee: Woodward HRT, Inc.
    Inventors: Galen Ko, Yehuda M. Shapira
  • Patent number: 9909587
    Abstract: A refrigerant filling rotary compressor includes a shell, a compressing mechanism, an injection tube and an injection valve assembly. The compressing mechanism includes a cylinder, a main bearing, an auxiliary bearing, a crank shaft, a piston and a sliding vane. An inner wall of the cylinder chamber of the cylinder is formed with a filling mouth, and the cylinder is provided with a filling channel with a filling hole.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: March 6, 2018
    Assignee: Guangdong Meizhi Compressor Co., Ltd.
    Inventors: Guoyong Yang, Weimin Xiang, Jijiang Yu, Hong Guo, Jingtao Yang, Cheng Zhang
  • Patent number: 9903267
    Abstract: A turbocharger system comprises a first relatively small turbocharger and a second relatively large turbocharger connected in series and an exhaust gas flow control valve. The exhaust control valve has an inlet port communicating with the exhaust gas flow upstream of the first turbine a first outlet port communicating with the exhaust flow downstream of said first turbine but upstream of said second turbine, and a second outlet port communicating with the exhaust flow downstream of said second turbine. The valve is operable to selectively permit or block flow through the first and second outlet ports.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: February 27, 2018
    Assignee: Cummins Turbo Technologies Limited
    Inventors: Lee J. Robinson, James A. McEwen
  • Patent number: 9903366
    Abstract: A variable displacement vane pump includes first and second sealing grooves formed on an intake port side and separated away from each other in a circumferential direction; first and second sealing members provided in the first and second sealing grooves; a first fluid-pressure chamber formed on a side on which a volume thereof decreases when the cam ring moves to a side on which an eccentricity of the cam ring increases; and a second fluid-pressure chamber formed on a side on which a volume thereof increases when the cam ring moves to a side on which the eccentricity of the cam ring increases; and a control valve configured to control the pressure in the first or second fluid-pressure chamber.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: February 27, 2018
    Inventor: Yoshiaki Kido
  • Patent number: 9896934
    Abstract: A rotary internal combustion engine with a rotor body made at least in major part of a first material, including at least one land protruding axially from each of its end faces and defining a contact surface extending at a fixed position with respect to the end faces. The contact surface frictionally engages a portion of the inner surface of the internal cavity of the engine, and at least the outer surface of the land includes a second material. The second material has a greater wear resistance than that of the first material with respect to frictional engagement with the portion of the inner surface of the internal cavity contacting the land. A method of axially positioning a rotor of a rotary engine within an internal cavity of an outer body of the engine are also discussed.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: February 20, 2018
    Inventors: Bruno Villeneuve, David Gagnon-Martin, Gilbert Ouellet
  • Patent number: 9896995
    Abstract: Provided is a lubricant feed mechanism for a turbocharger, the mechanism that can reduce work of an oil pump while preventing an excessive supply of lubricant to a bearing part. The lubricant feed mechanism for a turbocharger, the mechanism of feeding lubricant to a bearing part that rotatably supports a shaft connecting a compressor wheel and a turbine wheel, includes: an oil supply passage that guides the lubricant fed under pressure from the oil pump to the bearing part; and a flow control valve provided to the oil supply passage for adjusting the amount of the lubricant by throttling the flow passage of the lubricant based on a pressure of the lubricant flowing through the oil supply passage.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: February 20, 2018
    Assignee: Taiho Kogyo Co., Ltd.
    Inventors: Masaaki Koyanagi, Maki Aoki, Satoru Kanbara
  • Patent number: 9890785
    Abstract: A rotary compressor includes: a vertically-positioned airtight compressor housing having an upper section including a discharge portion of a refrigerant, and a lower section including an inlet unit of the refrigerant and storing lubricant oil; a compressing unit, disposed in the lower section, compressing the refrigerant sucked in via the inlet unit and discharging the refrigerant from the discharge portion; a motor, disposed in the upper section, driving the compressing unit via a rotation shaft; and an accumulator attached to the compressor housing and connected to the inlet unit. Inside the accumulator and/or the compressor housing, silicon dioxide having a crystal structure containing a vacancy with a diameter equal to or less than a diameter of a water molecule or a composite including silicon dioxide having a crystal structure containing a vacancy with a diameter equal to or less than that of the water molecule is placed.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: February 13, 2018
    Assignee: Fujitsu General Limited
    Inventors: Junya Tanaka, Kenji Komine
  • Patent number: 9890696
    Abstract: A turbocharger system and method for a vehicle, wherein the system comprises a high pressure turbocharger and a low pressure turbocharger. Both the high and low pressure turbochargers are driven by exhaust gas on an exhaust side of the turbochargers. The system further comprises a first bypass conduit that bypasses the low pressure turbocharger during set events.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: February 13, 2018
    Inventors: Goran Almkvist, Jonas J. Bjorkholtz
  • Patent number: 9874208
    Abstract: A bearing carrier has a bearing body including a first material. The bearing body has an exterior surface defining a bridge land with a finger cut and rotatably supports a first and second gear. The first and second gears intermesh with one another for pressurizing fluid traversing the gears between a fluid inlet and a fluid outlet defined in a housing enveloping the bearing carrier. The bridge land is defined in a second material integral with the first material.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: January 23, 2018
    Assignee: Hamilton Sunstrand Corporation
    Inventors: Leo J. Veilleux, Jr., Lubomir A. Ribarov
  • Patent number: 9874191
    Abstract: Methods and systems are provided for reliable starting an engine during cold start. In one example, a method may include in response to an engine start request, warming up an intake manifold by compressing intake air via an electric supercharger, and adjusting an intake manifold pressure before starting a first combustion of the engine.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: January 23, 2018
    Assignee: Ford Global Technologies, LLC
    Inventors: Baitao Xiao, Hamid-Reza Ossareh, Adam Nathan Banker
  • Patent number: 9874212
    Abstract: Housing for channelling the airflow of a radial fan of an air-cooled scroll compressor, where this housing is formed by a volute with an outlet and an outlet bend connecting thereto with an included angle. The included angle is an acute angle that extends from one side of the median plane defined by the axis of the inlet and the center of the output of the outlet bend to the other side of the median plane located on the side of the end point of the transverse wall and up to a distance from this median plane.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: January 23, 2018
    Inventors: Jochen Emiel C. Theelen, Gert August Van Leuven, Luc Van Mieghem, Wim Jan L. Mathys, Tom Andre J. Potters, Koen Stoop
  • Patent number: 9874097
    Abstract: Disclosed herein are several embodiments for shroud arrangements to be used in rotary engines using a plurality of rotors within the shroud arrangement. At least one of the rotors is not fixed to the shroud.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: January 23, 2018
    Assignee: Exponential Technologies, Inc.
    Inventors: Curtis Patterson, Kristjan Gottfried, Alejandro Juan
  • Patent number: 9869181
    Abstract: A scroll expander includes a driving scroll body having a first axis line a driven scroll body having a second axis line shifted with respect to the first axis line, a bearing plate including two plates coupled to the driven scroll body and having the second axis line a cylindrical driving pin attached to the driving scroll body, and a cylindrical guide ring attached to the bearing plate and having an inner diameter larger than an outer diameter of the driving pin. The driving pin includes an outer circumferential surface in contact with an inner circumferential surface of the guide ring. A hard film including diamond-like carbon is formed on the outer circumferential surface of the driving pin. The inner circumferential surface of the guide ring includes a polymer resin material with self-lubricity.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: January 16, 2018
    Inventors: Tamotsu Fujioka, Atsushi Unami, Hiroshi Ito, Takaaki Izumi
  • Patent number: 9863416
    Abstract: A cover with a center axis for a pump assembly includes a plate. A center hole is formed in the plate and positioned on the center axis of the cover. A first edge of the plate extends between a first lobe and a second lobe, a second edge of the plate extends between the first lobe and a third lobe, and a third edge of the plate extends between the second lobe and the third lobe. The first, second, and third lobes each comprise a mounting boss with a thru-hole.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: January 9, 2018
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Craig J. Wojcik, Andrew P. Grosskopf
  • Patent number: 9856877
    Abstract: To provide a failsafe drive coupling capable of high torque transmission in direct dog drive, a vacuum pump drive is disconnectable from a drive shaft upon movement of a piston against a return spring, under the action of oil pressure. The piston comprises a speed synchronizing clutch engageable with the input shaft to rotate the piston at the speed of the input shaft, and teeth to directly dog the piston and input shaft together.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: January 2, 2018
    Inventors: Simon Warner, David Heaps
  • Patent number: 9835155
    Abstract: A gear pump apparatus includes a gear pump and a sealing mechanism which includes an annular rubber member, an outer member, and an inner member. One of the outer member and a casing of the gear pump apparatus has a contact member located outside a portion of the outer member which contacts the gear pump in a radial direction of the gear pump. The contact member is placed to create a physical contact between the outer member and the casing to absorb a part of force by which the outer member is pressed against the gear pump. This results in a decrease in pressure acting on an area of contact between the outer member and the gear pump, which leads to a drop in resistance to sliding between the gear pump and the outer member, thus decreasing a loss of torque required for the pumping operation of the gear pump.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: December 5, 2017
    Assignee: ADVICS Co., Ltd.
    Inventors: Takashi Hashiba, Naoki Hakamada, Takahiro Naganuma, Tomoaki Kawabata
  • Patent number: 9835157
    Abstract: First closing plate and second closing plate close opening portions at both ends of cylindrical member in an axial direction. Base is housed in a space formed by cylindrical member, first closing plate, and second closing plate, and rotates around an axis in the same direction as the axial direction of cylindrical member. Resin layers are formed on thrust surfaces of base. Groove C is a plurality of concentric circular grooves or a spiral groove formed on each resin layer, and the center of circles of the circular grooves or the center of a spiral of the spiral groove is different from the rotation center of base.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: December 5, 2017
    Assignee: Taiho Kogyo Co., Ltd.
    Inventors: Naoki Horibe, Masanori Akizuki, Hiroshi Kanemitsu