Abstract: A concealed vehicle lamp assembly includes an energizable bulb and an exterior lens cover of transparent material aligned with an interior lens to intercept ambient light from the exterior lens and associated with means to reflect a first color through the exterior lens when the bulb is deenergized. The interior lens includes means for directing a second color through the exterior lens when the bulb is energized.

Abstract: A lamp socket and panel assembly includes a socket panel opening having a plurality of equally spaced radially outwardly directed retention slots therein that receive a plurality of circumferentially spaced socket retention tabs on a lamp socket, each tab is an integrally formed circumferentially extending spring biased cantilevered beam with an end portion insertable through the retention slots and wherein the end portion includes a ramp surface thereon engageable with the socket panel to direct a resultant force onto the end of the spring biased cantilever beam to cause it to flex axially of the panel upon rotation of the socket into an interlocked position on the panel and wherein the flex produced by the cantilevered beams produces an audible indication of movement of the socket from an axially inserted position to a rotatably locked position on the panel.

Abstract: A diffuser for association with a centrifugal compressor includes a circumferentially disposed array of like, individual diffuser vanes each having integrally formed opposed flange pairs thereon joined by a bridge segment having a continually increasing depth from an inlet end of each of the vanes to the outlet end thereof. Adjacent ones of the vanes have their flange pairs juxtaposed to form a three-dimensional air flow passage between each of the vanes and wherein each vane has a spiral formed inlet wall pair extending radially inwardly at the inlet of each vane to form a spiral configured open inlet path into each of the three dimensional flow passages; the individual vanes being held in the circumferentially disposed array by spaced apart side support plates and fastening means directed through each of the side support plates and the bridge segments of each of the vanes.

Abstract: A lamp housing and socket assembly includes an injected molded plastic housing with an integral, axially outwardly directed collar and a radially inwardly directed light interception surface with a bulb access opening slightly larger in diameter than the maximum diameter of a bulb supported in a lamp socket; the lamp socket includes a plurality of locking ears on one end thereof and a sealing gasket; a standard socket mounting cap is supported on the collar to define a socket mount that can be universally used with mirrors having a range of focal lengths.

Abstract: A gas turbine engine has a turbine shroud and back seal plate to define a gas flow passage across turbine rotor blades. A conically shaped turbine support plate for the shroud and back seal plate has a central hub fixedly secured to a bearing mount on the inboard face of a scroll of a compressor for supplying air to a turbine combustor. The conical turbine support plate permits a first predetermined thermal excursion of the shroud and back seal plate to minimize gas leakage between the turbine blades and the turbine shroud components. A plurality of restrictor units are fixedly secured on the scroll and extend axially therefrom to locate a cap portion thereon in close spaced relationship to the turbine support plate to limit expansion of the turbine shroud components with respect to the rotor blades to prevent interference therebetween under elevated temperature conditions.

Abstract: A headlamp with a parabolic reflector has a filament mounted on lead wires attached to a support disc which is slidably and angularly adjustable within a cylindrical ferrule attached to the reflector so as to permit positioning the filament at the reflector focal point whereupon light from the filament will be reflected as a parallel beam from the reflector. The invention contemplates an improved method for focusing the filament including locating a planar mirror on the optical axis of the parabolic reflector for redirecting light parallel to the optical axis from the reflector back to the focal point of the mirror and wherein terminals of the filament are electrically connected to a power supply and to a meter to detect electrical resistance changes in the filament to indicate location of the filament at the focal point where light rays reflected from the flat planar mirror directly impinge on the filament to cause increase in its electrical resistance.

Abstract: An outer ceramic shroud for a gas turbine engine includes a plurality of ceramic ring members each housing a rotating blade row of the turbine and further including ceramic stator vane stages located alternately between each of the ring members and having a radially outer rim portion thereon axially aligned with the ring members. The ring members and rims have tongue and groove means thereon for interconnection thereof into a continuous outer high temperature ceramic shroud maintained in axially assembled relationship by a pressure loaded piston member for applying a load to the shroud components during engine operation as a direct function of the discharge pressure of the engine compressor and a supplemental spring to load the shroud components when the discharge pressure drops, thereby to maintain the operative position of stator vane stages.

Abstract: A combustor assembly includes a porous, laminated metal dome and an elongated tubular body portion disposed vertically within an air supply plenum. The dome and body portion are joined by a yieldable ring and a plurality of radially inwardly directed convolutions on one end of the body portion. A load support member is telescoped over the upper end of the dome and includes a tubular axial extension with a plurality of radially inwardly directed convolutions connected to the body portion and wherein the support member includes a plurality of radially outwardly directed spider arms extending from a support flange on the upper end of the support member secured to a fixed fuel nozzle pad whereby the porous laminated metal dome is supported for free flex movement with respect to the pad during combustor operation.

Abstract: A cast iron gas turbine engine block has an integrally formed internal wall configuration which defines a centrally located exhaust gas passage through the block and a radially outwardly located cooling air passage for directing cooling gas around the exhaust gas passage, a pair of separate inner walls are spaced apart and each includes a plurality of integrally formed circumferentially arranged posts thereon directed into the passage and having the tip portions thereon formed in situ of side grooves on a steel turbine wheel containment ring: the ring of posts in each of the side wall grooves of the ring locate it radially outwardly of an annular inner wall of the cast iron housing and form air flow openings around the ring to enable the cooling air directed through the cooling air passage to completely surround and circulate around the ring for cooling it during turbine operation.

Abstract: A lamp socket and panel mount assembly for a printed circuit board includes a lamp socket having a bulb opening at one end thereof with terminal means therein for electrical connection to a bulb and with the terminal means including radially outwardly directed tab portions for electrical connection to leads of a printed circuit board when the housing is supported on a mounting panel; the housing includes locator and stop surfaces thereon to permit insertion thereof from either side of the printed circuit board and mounting panel into a fixed axial relationship with the panel wherein rotation of the housing with respect to the panel electrically connects the tab portions to circuit board leads and positions locator and stop surfaces on the housing to secure it and a flexible printed circuit board to the mounting panel.

Abstract: A tungsten fluorine lamp is manufactured by a process including the steps of forming a glass bulb and tungsten filament-lead set to have a controlled content of native oxygen thereon; locating and sealing the tungsten filament and lead set in the bulb and thereafter by a simplified three-step process of evacuation, gas fill and bulb tubulation tip seal step forming a completed lamp assembly; and wherein the completed lamp assembly includes a gas fill comprising an inert component at six atmospheres and a fluorinated hydrocarbon component of only carbon, bromine and fluorine with a range of 3.2 .times. 10.sup.-.sup.7 to 8 .times. 10.sup.-.sup.7 gram atoms of carbon, 2.1 .times. 10.sup.-.sup.6 to 5.2 .times. 10.sup.-.sup.6 gram atoms of bromine, and 1.5 .times. 10.sup.-.sup.6 to 3.8 .times. 10.sup.-.sup.6 gram atoms of fluorine and an oxygen content (evolved from the aforesaid native oxygen) of 1.3 .times. 10.sup.-.sup.6 to 3.3 .times. 10.sup.-.sup.

Abstract: A turbine blade has a hole through the blade stalk and a controlled area in the stalk cross section on each side of the hole to assure that the blade will separate at the stalk upon overspeed of the turbine wheel. The hole is drilled and reamed and the hole surface is finally machined by chemical milling to eliminate stress risers while maintaining a controlled cross-sectional area to ensure that with selected wheel and blade materials, the blades will separate and reduce the speed of the turbine wheel.

Abstract: A device to produce vehicle braking from a two-shaft gas turbine engine including an air brake with a centrifugal impeller on the power turbine shaft, the impeller having blades forwardly turned at the impeller exit through an angle greater than sixty degrees for absorbing energy from the power turbine shaft thereby to control power transfer to an output shaft. The system includes a variable inlet control assembly to throttle inlet air flow to the air brake impeller so as to regulate the amount of power absorption from the power turbine shaft.

Abstract: A water pump assembly for use with a slab type commercial ice maker of the type having an ice storage bin cavity at the bottom thereof and further having an inclined refrigerated plate and water recirculation pump system located within an ice maker compartment wherein the pump is submerged in the low point of a reservoir having a water surface therein directly exposed to the bin storage cavity to collect water recirculated across the refrigerated plate, the pump supplying water to the refrigerated plate and including an impeller shaft directed vertically therefrom through a shaft seal assembly coaxially located with respect to a bearing assembly in a motor for driving the impeller; a cup shaped deflector having an open end is supported on the pump housing and a cover thereon has an opening for the impeller shaft at a point interposed between the seal assembly and the bearing assembly so as to intercept spray from a pump shaft seal leak to prevent impingement thereof against the bearing assembly and to restric

Abstract: A lamp socket and bulb assembly includes a socket having a generally rectangularly configured bulb opening and first and second side contacts to stabilize a bulb base against multiplanar reference walls in the socket; and wherein the base includes bulb filament contacts, spaced apart parallel reference surfaces and a pressure pad thereon all axially insertable into the socket to make electrical contact between the first and second side contacts and the bulb filament contacts, having a segment that exerts a force on the pressure pad to locate the parallel reference surfaces against one side wall of the socket and a curvilinear segment that engages an outwardly directed tab on the base to stabilize the base within the bulb opening by exerting a pull-in force thereagainst.

Abstract: A torque responsive coupling includes an intermediate coupling member with helical splines thereon selectively engageable with first and second axially spaced helically splined coupling discs connected respectively to an engine power shaft and to a gear reduction input shaft to a propeller.

Abstract: An engine start control circuit and fuel system for a gas turbine engine with a burner having a prevaporization chamber has metered fuel flow through a pilot and main fuel flow system in which a pilot nozzle of the air assist type is used to ignite fuel from a main fuel manifold that is supplied to the prevaporization chamber as a wall film of fuel. Control means are provided to energize the pilot fuel system to light the main fuel when the burner inlet temperature is below a predetermined set temperature corresponding to a temperature at which good fuel vaporization will occur on the walls of the prevaporization chamber. The control means also includes means operative in response to higher burner inlet temperatures to produce start and ignition of the main fuel manifold into the prechamber.

Abstract: A two piece torque release mechanism includes a metal cover having a peripheral flange with a plurality of circumferentially spaced, cam surfaces each including ramp and notch segments intersecting at a sharp radius point radially inwardly of a land segment; a plurality of integrally formed fingers on a driven member are sprung radially outwardly into operative engagement with the cam surfaces.

Abstract: A gas turbine engine of a ducted-fan bypass type includes a fan with a plurality of circumferentially spaced airfoils thereon each including first and second portions thereof defining a forward thrust airfoil having a chord to blade spacing ratio greater than one. Each of the first and second portions are rotatably supported on the fan hub and are movable from a forward thrust position when the trailing edge of the first portion is juxtaposed against the leading edge of the second portion to a reverse thrust position wherein the first and second portions are corotated so as to locate the leading edge of the first portion in juxtaposed relationship to the trailing edge of a second portion to define a reverse thrust airfoil for producing a reverse flow of air through the fan duct passage with a resultant reverse thrust action on the gas turbine engine.

Abstract: A socket and panel mounting assembly for connecting a lamp in a lamp housing that has a rear panel exposed to all weather conditions includes a socket mounting hole with a weather guard ring formed therearound and including a notch thereon engageable with a flexible socket lock arm that audibly indicates when the socket is in place on the panel and wherein a flexible gasket is supported on the mounted end of the socket to take up the interference between the lamp socket and the mounting hole panel thickness for further sealing the mounting hole within the ring. The hole and socket having coaxial means thereon to permit axial insertion of the socket into the mounting hole to compress the gasket and to locate the socket lock arm for engagement with the notch when the socket is moved to a locked, rotated index position on the panel.