Patents Assigned to Pratt & Whitney Line Maintenance Services, Inc.
  • Publication number: 20140251392
    Abstract: The present invention relates to a system and method for washing gas turbine engines comprising a manifold comprising one or more tubes; a pumping system for providing pressurized washing liquid to the manifold, the pumping system comprising a pump, and one or more valves; and a control unit for regulating the pumping system according to washing parameters associated to a particular engine.
    Type: Application
    Filed: January 10, 2012
    Publication date: September 11, 2014
    Applicant: PRATT &WHITNEY LINE MAINTENANCE SERVICES, INC.
    Inventors: Per G. Alvestig, Sebastian Nordlund
  • Patent number: 8273184
    Abstract: The present invention is directed to a system and method for optimizing a wash procedure. Embodiments of the present invention are directed to a system for optimizing a wash procedure. In a first embodiment, the system comprises: means for collecting a sample of fouling, the sample comprising one or more contaminates; means for identifying the one or more contaminates; and means for selecting one or more washing products for removing the one or more contaminates from a turbine. In an alternate embodiment, the present invention is directed to a method for optimizing a wash procedure. The method comprises: collecting a sample of fouling, wherein the sample comprises one or more contaminates; identifying the one or more contaminates; and selecting one or more washing products for removing the one or more contaminates from a turbine.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: September 25, 2012
    Assignee: Pratt & Whitney Line Maintenance Services, Inc.
    Inventor: Thomas Wagner
  • Patent number: 8273187
    Abstract: A cleaning apparatus for cleaning measuring probes (18) of a gas turbine engine (1). The invention further relates to a method for cleaning measuring probes (18) of an gas turbine engine (1). The apparatus comprises distribution means (30) comprising a plurality of supply means (31, 32, 33), each comprising connection means (33) arranged for connection to a probe (18), and each supply means (31, 32, 33) being arranged to, when connected to a probe (18), distribute pressurized cleaning liquid to said measuring probe (18), wherein a substantially simultaneous cleaning of probes connected to said distribution means (30) via said supply means (31, 32, 33) can be obtained.
    Type: Grant
    Filed: October 17, 2011
    Date of Patent: September 25, 2012
    Assignee: Pratt & Whitney Line Maintenance Services, Inc.
    Inventors: Peter Asplund, Carl-Johan Hjerpe
  • Patent number: 8206478
    Abstract: The disclosure relates to a modular waste liquid separator and collector device, comprising component modules. A first module comprises a support structure, a second module comprises a droplet separator connectable to said support structure, and a third module comprises a waste liquid collector. The component modules are individually portable, and are assembled at the point of use.
    Type: Grant
    Filed: April 12, 2010
    Date of Patent: June 26, 2012
    Assignee: Pratt & Whitney Line Maintenance Services, Inc.
    Inventors: Sebastian Nordlund, Niklas Linderholm
  • Patent number: 8197609
    Abstract: The present invention relates to a system and method for washing gas turbine engines comprising a manifold comprising one or more tubes; a pumping system for providing pressurized washing liquid to the manifold, the pumping system comprising a pump, and one or more valves; and a control unit for regulating the pumping system according to washing parameters associated to a particular engine.
    Type: Grant
    Filed: November 12, 2007
    Date of Patent: June 12, 2012
    Assignee: Pratt & Whitney Line Maintenance Services, Inc.
    Inventors: Per G. Alvestig, Sebastian Nordlund
  • Publication number: 20120103375
    Abstract: The present invention relates to a system and method for washing gas turbine engines comprising a manifold comprising one or more tubes; a pumping system for providing pressurized washing liquid to the manifold, the pumping system comprising a pump, and one or more valves; and a control unit for regulating the pumping system according to washing parameters associated to a particular engine.
    Type: Application
    Filed: January 10, 2012
    Publication date: May 3, 2012
    Applicant: PRATT &WHITNEY LINE MAINTENANCE SERVICES, INC.
    Inventors: Per G. Alvestig, Sebastian Nordlund
  • Publication number: 20120031444
    Abstract: A cleaning apparatus for cleaning measuring probes (18) of a gas turbine engine (1). The invention further relates to a method for cleaning measuring probes (18) of an gas turbine engine (1). The apparatus comprises distribution means (30) comprising a plurality of supply means (31, 32, 33), each comprising connection means (33) arranged for connection to a probe (18), and each supply means (31, 32, 33) being arranged to, when connected to a probe (18), distribute pressurized cleaning liquid to said measuring probe (18), wherein a substantially simultaneous cleaning of probes connected to said distribution means (30) via said supply means (31, 32, 33) can be obtained.
    Type: Application
    Filed: October 17, 2011
    Publication date: February 9, 2012
    Applicant: PRATT & WHITNEY LINE MAINTENANCE SERVICES, INC.
    Inventors: Peter Asplund, Carl-Johan Hjerpe
  • Patent number: 8066816
    Abstract: A cleaning apparatus for cleaning measuring probes (18) of a gas turbine engine (1). The invention further relates to a method for cleaning measuring probes (18) of an gas turbine engine (1). The apparatus comprises distribution means (30) comprising a plurality of supply means (31, 32, 33), each comprising connection means (33) arranged for connection to a probe (18), and each supply means (31, 32, 33) being arranged to, when connected to a probe (18), distribute pressurized cleaning liquid to said measuring probe (18), wherein a substantially simultaneous cleaning of probes connected to said distribution means (30) via said supply means (31, 32, 33) can be obtained.
    Type: Grant
    Filed: January 25, 2005
    Date of Patent: November 29, 2011
    Assignee: Pratt & Whitney Line Maintenance Services, Inc.
    Inventors: Peter Asplund, Carl-Johan Hjerpe