Patents Assigned to Atlas Copco Airpower, naamloze vennootschap
  • ELECTRICALLY DRIVEN MOBILE COMPRESSOR OR PUMP AND METHOD FOR CONTROLLING THE MAXIMUM CURRENT THAT IS TAKEN FROM A POWER SUPPLY
    Publication number: 20190128262
    Abstract: Electrically driven mobile compressor or pump, comprising at least one compressor element or pump element for supplying a pressurised fluid to a network of consumers of such pressurised fluid; an electric drive motor with a variable speed control coupled to the compressor element or pump element and a controller for the variable speed control of the electric drive motor as a function of the flow rate of compressed gas and/or pressure demanded by the network, and a connection for connection of the compressor or pump to an electricity supply source, and the controller is provided with an algorithm with which the electric current drawn from the supply source can be limited to a set or adjustable maximum value by controlling the speed.
    Type: Application
    Filed: April 7, 2017
    Publication date: May 2, 2019
    Applicant: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Bert Jozef I. LATHOUWERS, Antoon Stuer
  • CONTROLLER FOR COMPRESSOR
    Publication number: 20190113263
    Abstract: The present invention is directed to a controller for a compressor, more specifically for a first electrical VSD motor configured to drive a compressor element, said controller comprising a housing in which is provided a rectifier, a DC link with a DC bus and two inverters connected to the same DC bus, a first inverter configured to control the first VSD motor driving said compressor element, and a second inverter configured to control a second VSD motor driving a fan configured to cool the compressor.
    Type: Application
    Filed: April 11, 2017
    Publication date: April 18, 2019
    Applicant: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Pieter Michel Mena COOLS, Yogesh Avinash KRISHNASING
  • A DRYER FOR DRYING COMPRESSED GAS AND METHOD OF REGENERATING A DESICCANT MATERIAL COMPRISED WITHIN SAID DRYER
    Publication number: 20190105595
    Abstract: The present invention is directed to a dryer provided with an inlet for receiving a flow of compressed gas and an outlet for providing dry air, said dryer comprising: a first and a second adsorption vessel connected in parallel, a depressurization unit connectable to the inlet flow conduit of each of said first and second adsorption vessels; whereby the dryer further comprises a flow reducer connectable to the inlet flow conduit of each of the first and second adsorption vessels and whereby said control valves are adapted to be switched in a first state, and a second state.
    Type: Application
    Filed: March 28, 2017
    Publication date: April 11, 2019
    Applicant: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Hans Maria Karel HERMANS, Dirk Emiel E. CARPELS
  • TUBE HEAT EXCHANGER AND METHOD OF MANUFACTURING SUCH A HEAT EXCHANGER
    Publication number: 20190107339
    Abstract: Shell and tube heat exchanger for exchanging heat between a first and second fluid, that comprises a housing in which tubes extend, whereby baffles are affixed in the housing that are provided with passages, whereby the tubes extend through the said passages, whereby the baffles are connected to one another at a distance from one another by means of one or more fastening elements that are affixed in first recesses in the baffles, whereby one or more connections between a baffle and a fastening element are formed by means of one or more lips that are made at an edge of a first recess, whereby the one or more lips form part of the baffle and are bent over, out of the plane defined by the baffle.
    Type: Application
    Filed: March 2, 2017
    Publication date: April 11, 2019
    Applicant: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventor: Franky Marc DE ROECK
  • Method for expanding a gas flow and device thereby applied
    Patent number: 10253631
    Abstract: A method for expanding a gas flow between an inlet for the supply of the gas flow at certain inlet conditions of inlet pressure and inlet temperature and an outlet for the delivery of expanded gas at certain desired outlet conditions of outlet pressure and outlet temperature, whereby this method at least comprises the step of at least partly expanding the gas flow between the inlet and the outlet through a pressure reducing valve and at least partly expanding it through a pressure reducing unit with a rotor driven by the gas for converting the energy contained in the gas into mechanical energy on this shaft.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: April 9, 2019
    Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Kris Van Campfort, Kristof Pascal Hubin
  • CENTRIFUGAL COMPRESSOR
    Publication number: 20190093675
    Abstract: A centrifugal compressor includes a compressor head, a motor, a cooler, a support frame, a load-bearing beam and a bottom plate. The cooler and the support frame are fixedly mounted on the bottom plate, the load-bearing beam is arranged above the cooler and the support frame, the support frame supports the load-bearing beam, the compressor head and the motor are arranged above the load-bearing beam, and the compressor head and the motor are fixedly mounted on the load-bearing beam. The centrifugal compressor avoids the problem of triggering resonance, extending the service life of the whole machine.
    Type: Application
    Filed: May 4, 2017
    Publication date: March 28, 2019
    Applicant: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Karel DE KEYSER, Kristof SUYKERBUYK
  • Method and device for cool-drying a gas with circulating cooling liquid with bypass line
    Patent number: 10232309
    Abstract: Method for cool drying gas, whereby the cool dryer is characterized by curves that show the setpoint for the evaporator temperature or evaporator pressure for a load as a function of the lowest gas temperature, whereby the method comprises the following steps:—the determination of a curve and Tset or pset as a function of the load that is required to cool the gas to LATset; the control of a supply of coolant from the compressor to an injection point (P) downstream from the expansion means and upstream from the compressor in order to make the evaporator temperature or evaporator pressure equal to Tset or pset.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: March 19, 2019
    Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Maarten Kooyman, Johan Hendrik R. De Herdt, Frank Jacques E. Roelants, Frits Cornelis A. Baltus
  • Liquid separator
    Patent number: 10213720
    Abstract: A liquid separator comprises a vessel with an inlet for a liquid/gas mixture. The vessel defines a space sealed at the top by means of a lid in which is situated an outlet to discharge treated gas. A shield is provided in the space extending around the outlet as of the lid, and a filter element provided within the shield. An outlet zone is defined between the shield and the filter element, wherein the outlet zone is in connection with the outlet. The shield comprises a bottom wall with at least one inlet opening and connection means for attaching the filter element onto the bottom wall. The connection means is configured such that the filter element, in a mounted condition, extends around the inlet opening as from the bottom wall, within a chamber defined by the shield, the lid and the bottom wall.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: February 26, 2019
    Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventor: Ronny Cools
  • METHOD FOR OPERATING A VACUUM PUMP SYSTEM AND VACUUM PUMP SYSTEM APPLYING SUCH METHOD
    Publication number: 20190055945
    Abstract: A method of operating a vacuum pump system, the method including the steps of: operating a primary vacuum pump having a variable speed motor; connecting at least two secondary vacuum pumps in parallel with said primary vacuum pump; dividing the secondary vacuum pumps in groups, each group including at least one secondary vacuum pump; and assigning a priority for each of said groups.
    Type: Application
    Filed: February 13, 2017
    Publication date: February 21, 2019
    Applicant: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventor: Joeri COECKELBERGS
  • Screw compressor
    Patent number: 10197058
    Abstract: Screw compressor with a compression chamber that is formed by a compression housing, in which a pair of meshed helical compressor rotors in the form of a screw are rotatably mounted and with a drive motor that is provided with a motor chamber formed by a motor housing, in which a motor shaft is rotatably mounted. The motor shaft drives at least one of the aforementioned two compressor rotors, where the compression housing and the motor housing are connected directly together to form a compressor housing, where the motor chamber and the compression chamber are not sealed off from one another and where the rotor shafts of the compressor rotors, as well as the motor shaft, extend along axial directions that are oblique or transverse to the horizontal plane.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: February 5, 2019
    Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventor: Andries Jan F. Desiron
  • LOAD-BASED CONTROL OF BREAKER MACHINE
    Publication number: 20190022846
    Abstract: A breaker machine includes a power source, a tool holder arranged to receive a tool and a power driven striking mechanism arranged to strike a tip of the tool with a striking frequency on a hard surface. The breaker machine further includes control circuitry arranged to control an output from the power source and load detection means arranged to detect the load of the power source and transmit information relating to the detected load of the power source to the control circuitry. The control circuitry is arranged to receive information relating to a load of the power source, select a striking frequency based on the information relating to the load of the power source and to apply the selected striking frequency by ramping a current striking frequency to the selected striking frequency based on a predetermined ramping scheme by controlling the output from the power source.
    Type: Application
    Filed: February 6, 2017
    Publication date: January 24, 2019
    Applicant: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Torkel DANIELSSON, Magnus KARLSSON
  • Coupling for connecting pipe ends and bridging for use in a coupling
    Patent number: 10184600
    Abstract: A coupling for connecting pipe ends, comprising a hollow body with an entrance for each pipe end provided with a radial seat for a pipe end and a coupling nut for clamping the pipe end, whereby an electrically conductive bridge is provided, which at the location of the seats is provided with a clamping element that is elastically deformable in the radial direction with respect to the respective seat, and is provided with a contact section, which in a rest situation is at a distance from the axis of the seat that is smaller than an outside radius of the pipe end for which the seat concerned is intended.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: January 22, 2019
    Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Jan Pieter Robert Corne, Bert Hendrik Hilda Meul
  • ARRANGEMENT ARRANGED TO ENCLOSE A CIRCUIT BOARD COMPRISING ELECTRONIC COMPONENTS AND A TOOL COMPRISING THE ARRANGMENT
    Publication number: 20190015946
    Abstract: An arrangement arranged to enclose a circuit board comprising electronic components is described. The arrangement comprises a structure designed to receive the circuit board and the electronic components, a housing designed to receive the structure, a cover designed to be connected to the housing, and an electric socket adapted to provide the circuit board with electricity. The electric socket is comprised in at least one of the housing or the cover. The arrangement is arranged to enclose the circuit board by the housing and the cover, wherein the structure is designed to be releasable and at least partly bear against the circuit board and the electronic components. A tool comprising an arrangement is also described.
    Type: Application
    Filed: February 21, 2017
    Publication date: January 17, 2019
    Applicant: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Per-Anders KARLSSON, Magnus KARLSSON
  • Method and device for stripping a gas from a gas mixture using a venturi ejector
    Patent number: 10173165
    Abstract: Method for extracting a gas from a gas mixture by: during a purification step, bringing a first sorption medium into contact with the gas mixture in order to extract the gas from the gas mixture, whereby an enriched first sorption medium is formed in which the gas is at least partially sorbed; during a regeneration step, bringing a second sorption medium into contact with the enriched first sorption medium in order to extract the gas from the enriched liquid first sorption medium; whereby for the contact in the purification step and/or in the regeneration step use is made of a separate venturi ejector.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: January 8, 2019
    Assignee: ATLAS COPCO, AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Peter Heirman, Geurt Aalderink
  • Device for expanding steam and method to control such a device
    Patent number: 10174638
    Abstract: A device for expanding steam, whereby this device comprises an expander with an inlet that is connected to an inlet pipe and an outlet that is connected to an outlet pipe, whereby the inlet pipe is provided with an inlet valve and the outlet pipe is provided with an outlet valve for isolating the space between the valves, by closing these valves when the expander is not operating, whereby the device is provided with a steam supply that conditions the space between the valves when the expander is not operating, such that no air can penetrate into the space.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: January 8, 2019
    Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Kris Van Campfort, Kristof Pascal Hubin
  • METHOD FOR CONTROLLING AN ADSORPTION PHASE OF A GAS GENERATOR AND A GAS GENERATOR APPYLING SUCH A METHOD
    Publication number: 20180361306
    Abstract: A method for controlling an adsorption phase of a gas generator, said generator comprising an adsorbent medium capable of selectively adsorbing a first gaseous component from an inlet gas flow comprising a gaseous mixture, and allowing an outlet gas flow mainly comprising a second gaseous component, said method comprising: directing the inlet gas flow through an inlet of said gas generator; measuring the outlet gas flow; determining the concentration of said second gaseous component at the outlet of said vessel; wherein the method further comprises: calculating the capacity of the generator; comparing the measured outlet gas flow with the calculated capacity; maintaining the generator in adsorption phase for a predetermined time interval, ?s; subjecting the generator to a regenerating cycle after said predetermined time interval.
    Type: Application
    Filed: May 31, 2016
    Publication date: December 20, 2018
    Applicant: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Tom COREMANS, Joris VAN GOETHEM, Frank Karel R. VAN PUYENBROECK
  • METHOD FOR REGULATING THE LIQUID INJECTION OF A COMPRESSOR, A LIQUID-INJECTED COMPRESSOR AND A LIQUID-INJECTED COMPRESSOR ELEMENT
    Publication number: 20180363652
    Abstract: Method for controlling the liquid injection of a compressor device, whereby this compressor device includes at least one compressor element, whereby the compressor element includes a housing that includes a compression space in which at least one rotor is rotatably affixed by means of bearings, whereby liquid is injected into the compressor element, wherein the method comprises the step of providing two independent separated liquid supplies to the compressor element, whereby one liquid supply is injected into the compression space and the other liquid supply is injected at the location of the bearings.
    Type: Application
    Filed: August 23, 2016
    Publication date: December 20, 2018
    Applicant: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Johan Julia J. DOM, Jochen Emiel Corneel THEELEN, Shramik Kantilal DAHALE, Luc Henri Arthur Albert VAN HOEY, Diego TRUYEN, Kristof Pieter Frans MARCELIS
  • SHROUDED IMPELLER MADE BY ADDITIVE MANUFACTURING AND INCLUDING VOIDS IN THE HUB AND IN THE SHROUD
    Publication number: 20180355883
    Abstract: A method for manufacturing closed impellers with internal cavities. Impellers that are manufactured according to the method have a smaller mass and enable a higher operating efficiency to be attained.
    Type: Application
    Filed: November 29, 2016
    Publication date: December 13, 2018
    Applicant: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventor: Aleksandr PULNIKOV
  • Compressor device as well as the use of such a compressor device
    Patent number: 10151313
    Abstract: Compressor device that is at least provided with a screw compressor with a compression chamber that is formed by a compression housing, with a drive motor that is provided with a motor chamber formed by a motor housing and with an outlet for the discharge of compressed air that is connected to a pressure vessel via an outlet pipe, whereby the compression housing and the motor housing are connected directly to one another to form a compressor housing, whereby the motor chamber and the compression chamber are not sealed off from one another and whereby the outlet pipe between the pressure vessel and the screw compressor is free of closing means.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: December 11, 2018
    Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventor: Andries Jan F. Desiron
  • Casing for equipment for control of electric power
    Patent number: D845253
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: April 9, 2019
    Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventor: Pieter Michel Mena Cools