Patents by Inventor Melissa A. Bell
Melissa A. Bell 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).
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Patent number: 10252811Abstract: An auxiliary power unit for an aircraft includes a turbine engine. An inlet includes an opening and a passageway between the opening and the turbine engine. An acoustic splitter is supported within the passageway for attenuating noise within the inlet. An inlet door is movable between a closed position and a fully open position. A portion of the inlet door aligns with a part of the passageway in at least a first position and divides the passageway to deflect ice and noise in at least a second position. An air inlet and a method are also disclosed.Type: GrantFiled: October 8, 2014Date of Patent: April 9, 2019Assignee: United Technologies CorporationInventors: Melissa A. Bell, Michael J. Rollins, Behzad Hagshenas, Jack V. Vitale
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Publication number: 20160264251Abstract: An auxiliary power unit for an aircraft includes a turbine engine. An inlet includes an opening and a passageway between the opening and the turbine engine. An acoustic aplitter is supported within the passageway for attenuating noise within the inlet. An inlet door is movable between a closed position and a fully open position. A portion of the inlet door aligns with a part of the passageway in at least a first position and divides the passageway to deflect ice and noise in at least a second position. An air inlet and a method are also disclosed.Type: ApplicationFiled: October 8, 2014Publication date: September 15, 2016Inventors: Melissa A. Bell, Michael J. Rollins, Behzad Hagshenas, Jack V. Vitale
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Patent number: 8944216Abstract: An example lubricating transfer tube assembly includes a transfer tube having a bore extending from a fluid inlet portion to a fluid outlet portion. The transfer tube is configured to communicate a fluid through the bore between the fluid inlet portion and the fluid outlet portion within a gearbox. The transfer tube defines a spray aperture extending from the bore to an outer surface of the transfer tube. The spray aperture is configured to communicate at least some of the fluid from the bore to an area of the gearbox.Type: GrantFiled: April 14, 2011Date of Patent: February 3, 2015Assignee: United Technologies CorporationInventors: Michael J. Rollins, Melissa A. Bell
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Patent number: 8864067Abstract: An auxiliary power unit is composed of a gas turbine engine, a gearbox, and a gearbox driven generator. A mount bracket is mechanically attached to the gearbox. The bracket is for connecting to an aircraft strut system. The aircraft strut system connects to the aircraft structure. The mount bracket has an upper mechanical attachment point and a lower mechanical attachment point to the gearbox. The gearbox includes an oil reservoir, and the lower attachment point is beneath the oil level within the oil reservoir such that said lower attachment point will be cooled by oil in the oil reservoir.Type: GrantFiled: May 31, 2012Date of Patent: October 21, 2014Assignee: Hamilton Sundstrand CorporationInventors: Melissa A. Bell, Michael J. Rollins, Jason Peel, Greg R. Giddings
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Patent number: 8845898Abstract: An auxiliary power unit includes a gearbox housing portion and a filter housing portion providing an integral housing. A filter cavity is provided in the filter housing portion. A surface circumscribes the filter cavity. A scupper includes a passage extending from the surface to an opening on an exterior surface of the integral housing. A sealing region between the scupper and the filter cavity is configured to fluidly isolate the scupper and the fuel filter cavity from one another. In one example, the filter cavity receives a fuel filter cartridge. A cap is secured to the filter housing portion and encloses the filter cavity when in a secured position.Type: GrantFiled: July 7, 2010Date of Patent: September 30, 2014Assignee: Hamilton Sundstrand CorporationInventors: Brian C. DeDe, Michael J. Rollins, Melissa A. Bell, David Lau
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Patent number: 8622176Abstract: A gearbox for use in an auxiliary power unit has a plurality of gears received within a housing. A lube pump is mounted within the housing, and delivers oil to the plurality of gears and bearings. The lube pump has an oil supply tube for supplying oil to the pump for delivery to the plurality of gears and bearings. An oil reservoir maintains a quantity of oil above a lowermost end of the inlet tube, and is shaped such that a cross-sectional area at a lower end of the inlet tube has a first cross-sectional area. Other cross-sectional areas spaced upwardly from the first cross-sectional area are greater. A ratio of the second cross-sectional area to the first cross-sectional area is less than 3.Type: GrantFiled: July 26, 2010Date of Patent: January 7, 2014Assignee: Hamilton Sundstrand CorporationInventors: Melissa A. Bell, Michael J. Rollins
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Publication number: 20130320134Abstract: An auxiliary power unit is composed of a gas turbine engine, a gearbox, and a gearbox driven generator. A mount bracket is mechanically attached to the gearbox. The bracket is for connecting to an aircraft strut system. The aircraft strut system connects to the aircraft structure. The mount bracket has an upper mechanical attachment point and a lower mechanical attachment point to the gearbox. The gearbox includes an oil reservoir, and the lower attachment point is beneath the oil level within the oil reservoir such that said lower attachment point will be cooled by oil in the oil reservoir.Type: ApplicationFiled: May 31, 2012Publication date: December 5, 2013Inventors: Melissa A. Bell, Michael J. Rollins, Jason Peel, Greg R. Giddings
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Patent number: 8556577Abstract: A lube pump has a housing with a flange extending radially outwardly from a body of the housing. At least one rotor is received within the housing, and a shaft for powering the rotor extends away from the flange. A retention plate is positioned on an end of the flange closing the housing. A first set of bolts secure the flange to the retention plate. A second set of bolts secure the flange to the gearbox. The two sets of bolts extend in opposed directions. A gearbox including such a lube pump is also disclosed and claimed.Type: GrantFiled: July 21, 2010Date of Patent: October 15, 2013Assignee: Hamilton Sundstrand CorporationInventors: Melissa A. Bell, Michael J. Rollins
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Patent number: 8444751Abstract: An example deaerator assembly includes a housing having a housing inlet and a housing outlet. A conduit configured to communicate a deaerated coolant is located within the housing. A mixture of coolant and air is deaerated as the mixture is communicated from the housing inlet to the housing outlet within the housing and outside the conduit.Type: GrantFiled: June 17, 2011Date of Patent: May 21, 2013Assignee: Hamilton Sundstrand CorporationInventors: Melissa A. Bell, Christine Ingrid Schade
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Publication number: 20130042713Abstract: A gearbox housing to enclose a gearbox with a geartrain and a lubrication system includes a frame made of a first material to carry gearbox loads; and a shell made of a second material to connecting to the frame and to keep lubrication sealed within the lubrication system.Type: ApplicationFiled: August 15, 2011Publication date: February 21, 2013Applicant: HAMILTON SUNDSTRAND CORPORATIONInventors: Melissa A. Bell, Jeffrey L. Moore
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Patent number: 8366809Abstract: An example deaerator assembly includes a deaerating member disposed within a housing. The deaerating member includes an apertured stem extending from a pedestal. The apertured stem is configured to communicate air away from a mixture of air and coolant when the mixture of air and coolant is communicated about the apertured stem.Type: GrantFiled: May 2, 2011Date of Patent: February 5, 2013Assignee: Hamilton Sundstrand CorporationInventors: Michael J. Rollins, Melissa A. Bell
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Publication number: 20120318912Abstract: An example deaerator assembly includes a housing having a housing inlet and a housing outlet. A conduit configured to communicate a deaerated coolant is located within the housing. A mixture of coolant and air is deaerated as the mixture is communicated from the housing inlet to the housing outlet within the housing and outside the conduit.Type: ApplicationFiled: June 17, 2011Publication date: December 20, 2012Inventors: Melissa A. Bell, Christine Ingrid Schade
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Publication number: 20120260769Abstract: An example lubricating transfer tube assembly includes a transfer tube having a bore extending from a fluid inlet portion to a fluid outlet portion. The transfer tube is configured to communicate a fluid through the bore between the fluid inlet portion and the fluid outlet portion within a gearbox. The transfer tube defines a spray aperture extending from the bore to an outer surface of the transfer tube. The spray aperture is configured to communicate at least some of the fluid from the bore to an area of the gearbox.Type: ApplicationFiled: April 14, 2011Publication date: October 18, 2012Inventors: Michael J. Rollins, Melissa A. Bell
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Publication number: 20120234174Abstract: An example deaerator assembly includes a deaerating member disposed within a housing. The deaerating member includes an apertured stem extending from a pedestal. The apertured stem is configured to communicate air away from a mixture of air and coolant when the mixture of air and coolant is communicated about the apertured stem.Type: ApplicationFiled: May 2, 2011Publication date: September 20, 2012Inventors: Michael J. Rollins, Melissa A. Bell
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Publication number: 20120017722Abstract: A gearbox for use in an auxiliary power unit has a plurality of gears received within a housing. A lube pump is mounted within the housing, and delivers oil to the plurality of gears and bearings. The lube pump has an oil supply tube for supplying oil to the pump for delivery to the plurality of gears and bearings. An oil reservoir maintains a quantity of oil above a lowermost end of the inlet tube, and is shaped such that a cross-sectional area at a lower end of the inlet tube has a first cross-sectional area. Other cross-sectional areas spaced upwardly from the first cross-sectional area are greater. A ratio of the second cross-sectional area to the first cross-sectional area is less than 3.Type: ApplicationFiled: July 26, 2010Publication date: January 26, 2012Inventors: Melissa A. Bell, Michael J. Rollins
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Publication number: 20120020781Abstract: A lube pump has a housing with a flange extending radially outwardly from a body of the housing. At least one rotor is received within the housing, and a shaft for powering the rotor extends away from the flange. A retention plate is positioned on an end of the flange closing the housing. A first set of bolts secure the flange to the retention plate. A second set of bolts secure the flange to the gearbox. The two sets of bolts extend in opposed directions. A gearbox including such a lube pump is also disclosed and claimed.Type: ApplicationFiled: July 21, 2010Publication date: January 26, 2012Inventors: Melissa A. Bell, Michael J. Rollins
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Publication number: 20120006151Abstract: An auxiliary power unit includes a gearbox housing portion and a filter housing portion providing an integral housing. A filter cavity is provided in the filter housing portion. A surface circumscribes the filter cavity. A scupper includes a passage extending from the surface to an opening on an exterior surface of the integral housing. A sealing region between the scupper and the filter cavity is configured to fluidly isolate the scupper and the fuel filter cavity from one another. In one example, the filter cavity receives a fuel filter cartridge. A cap is secured to the filter housing portion and encloses the filter cavity when in a secured position.Type: ApplicationFiled: July 7, 2010Publication date: January 12, 2012Inventors: Brian C. DeDe, Michael J. Rollins, Melissa A. Bell, David Lau
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Patent number: 7597000Abstract: A top reading liquid sight level indicator mounts above a liquid contained in a liquid vessel comprises a measuring surface mounted to the liquid vessel that penetrates an upper surface of the contained liquid at a cant from normal to the liquid surface so that the points along the measuring surface that penetrate the liquid surface are visible from above the liquid vessel and represent the level of the liquid in the liquid vessel.Type: GrantFiled: July 27, 2006Date of Patent: October 6, 2009Assignee: Hamilton Sundstrand CorporationInventors: Melissa A. Bell, Christine Ingrid Schade, Chris R. Fidler
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Publication number: 20080022768Abstract: A top reading liquid sight level indicator mounts above a liquid contained in a liquid vessel comprises a measuring surface mounted to the liquid vessel that penetrates an upper surface of the contained liquid at a cant from normal to the liquid surface so that the points along the measuring surface that penetrate the liquid surface are visible from above the liquid vessel and represent the level of the liquid in the liquid vessel.Type: ApplicationFiled: July 27, 2006Publication date: January 31, 2008Inventors: Melissa A. Bell, Christine Ingrid Schade, Chris R. Fidler