Patents Assigned to McDonnell Douglas
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Patent number: 6027074Abstract: A reinforced elastomer panel (100) has a first rigid member (104) with an edge (116) attached to a first end of an elastomer panel (114). The first rigid member (104) has a removable plate (106) that provides access to a cavity (108). Attached to the first rigid member (104) is a reinforcing member (102) that extends through the elastomer panel (114). A second rigid member (118) has an edge attached to a second end of the elastomer panel (114).Type: GrantFiled: February 27, 1997Date of Patent: February 22, 2000Assignee: McDonnell DouglasInventors: Dean Emory Cameron, Paul Francis Geders, Michael Watson Geiger, Dennis Allan Roberts, Robert Henry Wille
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Patent number: 5988567Abstract: A conformable weapons platform (52) has a cavity (60) in a skin of an aircraft. A weapon launching system (62) is contained in the cavity (60). A pair of elastomer doors (56, 58) are attached to a perimeter of the cavity.Type: GrantFiled: June 30, 1997Date of Patent: November 23, 1999Assignee: McDonnell DouglasInventor: Robert Henry Wille
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Patent number: 5979828Abstract: An apparatus (30) for eliminating gaps (20) in a door of an airplane has an elastaueric bladder (32) bonding along an edge (24) of a door gap (20). The elastomeric bladder (32) includes a port providing for access to an interior cavity (34). A pneumatic actuator is coupled to the port.Type: GrantFiled: April 30, 1997Date of Patent: November 9, 1999Assignee: McDonnell DouglasInventors: Cynthia Ann Gruensfelder, Micael Watson Geiger, Jack Howard Jacobs, Robert Henry Wille
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Patent number: 5975463Abstract: An aircraft (50) with a variable cargo bay (52) includes a frame (60). A pair of fairing assemblies (54, 56) is coupled to the frame (60). Each of the pair of fairing assemblies (54, 56) has a ramp (100) connected to the frame (60) by a front sliding pivoting mechanism (106). A door assembly (58) is between the pair of fairing assemblies (54, 56) and is coupled to the frame (60).Type: GrantFiled: December 21, 1995Date of Patent: November 2, 1999Assignee: McDonnell DouglasInventors: Cynthia Ann Gruensfelder, Robert Henry Wille
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Patent number: 5958803Abstract: An environmental cover (50) for a reinforced elastomer panel (70) has a knit fabric (82) covered with an electrically conductive material. An environmental calendared sheet (84) is attached to a first surface of the knit fabric (82) and an elastomer calendared sheet (80) is applied to a second surface of the knit fabric (82).Type: GrantFiled: March 13, 1997Date of Patent: September 28, 1999Assignee: McDonnell DouglasInventor: Michael Watson Geiger
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Patent number: 5947422Abstract: A tail (14) for an aircraft (10) has a center member (20) pivotally attached to the aircraft (10). A leading edge flap (22) extends along a length of the center member (20). An elastomeric skin (30) is connected between an exterior surface (26) of the center member (20) and an adjacent exterior surface (28) of the leading edge flap (22).Type: GrantFiled: April 29, 1997Date of Patent: September 7, 1999Assignee: McDonnell DouglasInventor: Robert Henry Wille
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Patent number: 5947417Abstract: A fairing (100) for an expandable bay of an has a ramp (108). A front linkage bar (102) has a first end pivotally connected to a finger (106) of the ramp (108) and a second end pivotally connected to the aircraft. A mating panel (112) is next to an interior edge (132) of the ramp (108) and pivotally connected to the ramp (108). An exterior elastomer panel (124) is connected between an exterior edge (126) of the ramp (108) and the aircraft.Type: GrantFiled: July 25, 1997Date of Patent: September 7, 1999Assignee: McDonnell DouglasInventor: Dean Emory Cameron
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Patent number: 5941480Abstract: A hinge line system (52) for an aircraft has a structural block (22) attached to a first edge of a hinge line. The structural block (22) has a flange (28) attached to a first end of an elastic sheet (32). A second structural block (24) is attached to a second edge of the hinge line. The second structural block (24) has a second flange (30) attached to a second end of the elastic sheet (32).Type: GrantFiled: May 8, 1997Date of Patent: August 24, 1999Assignee: McDonnell DouglasInventor: Robert Henry Wille
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Patent number: 5939213Abstract: A titanium matrix composite laminate (42) includes alternating layers of a titanium matrix foil (12) and a fiber mat (14). The titanium matrix foil (12) is formed from a super alpha titanium alloy having a beta phase stabilizer equivalency of at least thirteen. The beta phase stabilizer is selected from the elements molybdenum, vanadium, niobium, tantalum, halfnium, tungsten or some combination thereof. The fiber mat (14) is formed of silicon carbide (SiC) and has a carbon coating. Once a layup (16) of the alternating layers is formed, it is placed in a mold (22). Heat and pressure are then applied in a step called consolidation (40). The result is a titanium matrix composite laminate (42).Type: GrantFiled: June 6, 1995Date of Patent: August 17, 1999Assignee: McDonnell DouglasInventors: David Michael Bowden, Donald Albert Deuser
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Patent number: 5931422Abstract: An active reinforced elastomer system (50) has a rigid attachment block (56). A stiffening member (58) slides through an opening in the rigid attachment block (56). A shape memory alloy structure (62) is attached to the rigid attachment block (56). An elastomer panel (52) is attached to the rigid attachment block (56) and covers the stiffening member (58).Type: GrantFiled: June 9, 1997Date of Patent: August 3, 1999Assignee: McDonnell DouglasInventors: Michael Watson Geiger, Cynthia Ann Gruensfelder, Jack Howard Jacobs
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Patent number: 5927651Abstract: An expandable fuel cell (72) for an aircraft (70) has a flexible structure (126) having a perimeter (124) attached to an airframe of the aircraft (70). The flexible structure (126) has an empty position, in which the flexible structure (126) approximately conforms to a moldline (76) of the aircraft (70), and a full position, in which the flexible structure (126) forms a smooth curvilinear protrusion from the moldline (76) of the aircraft (70). A fuel bladder (152) is positioned between the flexible structure (126) and the airframe.Type: GrantFiled: May 15, 1997Date of Patent: July 27, 1999Assignee: McDonnell DouglasInventors: Paul Francis Geders, John David Groeneveld, Robert Henry Wille
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Patent number: 5918834Abstract: A retractable sensor system (12) for an aircraft has a sensor (16) coupled to an actuation mechanism (18). The sensor (16) moves from a retracted position to an expanded position. A reinforced elastomer section (14) in an exterior surface (48) of the aircraft covers the sensor (16) and the actuation mechanism (18). The reinforced elastomer section (14) has an interior surface and an exterior surface and the sensor (16) has a portion adjacent to the interior surface. The reinforced elastomer section (14) has a flush position and an expanded position.Type: GrantFiled: February 27, 1997Date of Patent: July 6, 1999Assignee: McDonnell DouglasInventors: William Arthur Sommer, Robert Henry Wille
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Patent number: 5913494Abstract: A blade seal (20) for an aircraft has a mounting structure (22). A composite blade (26) is attached to the mounting structure (22). The composite blade (26) has a plurality of holes (28). An elastomer substance (30) is used to fill the plurality of holes (28).Type: GrantFiled: July 25, 1997Date of Patent: June 22, 1999Assignee: McDonnell DouglasInventors: Thomas Edward Burbridge, Harvey John Tomko, Robert Henry Wille
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Patent number: 5896191Abstract: A sensor system for a reinforced elastomer panel (100) has an optical source (104) emitting an optical signal. An optical strain sensor (102) is embedded in an elastomer sheet (40) of the reinforced elastomer panel (100) and receives the optical signal. A strain processing system (108) is optical coupled to the optically strain sensor (102).Type: GrantFiled: May 13, 1997Date of Patent: April 20, 1999Assignee: McDonnell DouglasInventors: Theodor Harry Beier, John Martin Haake, Robert Henry Wille, Jack Howard Jacobs
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Patent number: 5894366Abstract: A color selective, anti-reflective optical coating has a substrate (42), a first layer (44) and a second layer (46). The first layer (44) has an index of refraction that is 25% to 39% greater than an index of refraction of the substrate (42). The first layer (44) has a width of between 12.31 nanometers and 13.41 nanometers. The second layer (46) has an index of refraction that is between 1% and 17.5% less than the index of refraction of the substrate (42). The second layer (46) has a width between 118.32 nanometers and 130.78 nanometers. When the color selective, anti-reflective optical coating is applied to a head lamp lens (40), it significantly increases the output of the head lamp (20) and has a distinctive tint.Type: GrantFiled: August 11, 1997Date of Patent: April 13, 1999Assignee: McDonnell DouglasInventors: Ronald Alfred Ferrante, Rudolf Herman Ott
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Patent number: 5878808Abstract: A rotating heat exchanger (10) has a first air turbine (16) connected to a first end of an axle (20). The second end of the axle (20) is connected to a second air turbine (18). A heat pipe (30, 40, 42, 44) extends from the first air turbine (16) to the second air turbine (18).Type: GrantFiled: October 30, 1996Date of Patent: March 9, 1999Assignee: McDonnell DouglasInventors: Edward Thomas Rock, Lawrence Thomas Shafer
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Patent number: 5847876Abstract: Two-layer, thin film coating designs on glass substrates are described which reduce coated surface reflectance while inhibiting the visibility of fingerprints.Type: GrantFiled: June 25, 1996Date of Patent: December 8, 1998Assignee: McDonnell DouglasInventors: Ronald A. Ferrante, Rudolf H. Ott
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Patent number: 5838846Abstract: A fiber optic switch and attenuator (10) has a sealed capsule (12). The sealed capsule (12) contains a first fluid (14), having a first index of refraction and having a first density. The sealed capsule (12) contains a second fluid (16), having a second index of refraction, the second index of refraction being greater than the first index of refraction. The second fluid (16) has a second density that is not equal to the first density. A bobbin (18) is contained in the sealed capsule (12). A fiber optic core (20) is wrapped around the bobbin (18). The fiber optic core (20) has a core index of refraction. The core index of refraction is less than the second index of refraction and greater than the first index of refraction. The fiber optic core (20) has a first end (22) and a second end (24) outside the sealed capsule (12).Type: GrantFiled: October 6, 1997Date of Patent: November 17, 1998Assignee: McDonnell DouglasInventor: John Kermit Murdock
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Patent number: 5827018Abstract: This invention discloses an improved cutting tool such as a counterbore cutter or piloted reamer that is comprised of a free-spinning pilot connected to the cutting tool. The free-spinning pilot allows the cutting tool to rotate within it while it makes firm contact with a pre-drilled hole in material to be cut improving the location of the cutter relative to the hole.Type: GrantFiled: October 30, 1996Date of Patent: October 27, 1998Assignee: McDonnell DouglasInventors: Thomas O. Blankenship, David L. Fritsche
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Patent number: 5817945Abstract: A system (50) for determining strain includes: a stimulating light source (54, 56); a device (64) for placing stress on an object (58); a number of local strain gauges (66) attached to the object (58); and an image capturing device (62, 64). A controller (52) is coupled to the stimulating light source (54, 56) and has a signal that turns on the stimulating light source (54, 56). The controller (52) receives a strain signal from each of the local strain gauges (66) located on the object (58). The controller (66) has an image signal that determines when the image capturing device (62, 64) captures an image.Type: GrantFiled: April 15, 1996Date of Patent: October 6, 1998Assignee: McDonnell DouglasInventors: Martin Jesse Morris, Kirk Sullivan Schanze