Abstract: An electrical actuator subassembly, preferably for use in a fuel injector, includes an externally threaded ferromagnetic metallic body, an internally threaded collar, an electrical actuator, an electrical connector, and a plastic cap. In one embodiment, the electrical actuator is a solenoid, while a piezoelectric actuator is used in a second embodiment. The electrical actuator directly controls a pilot valve member positioned between the metallic body and the injector body, and a needle valve which opens or closes a nozzle outlet at the bottom of the injector. The electrical actuator subassembly is attached to a fuel injector body by mating the external threads of the metallic body to the internal threads of the collar. The collar is attached to the injector body with a groove and snap ring configuration.

Abstract: During assembly, shipping and handling before a mechanically-actuated fuel injector is installed into an internal combustion engine, the fuel injector tappet often accidentally disconnects from the fuel injector body. This separation of the tappet from the fuel injector body is caused by a force placed upon the tappet by a biasing means, such as a spring, that pushes the tappet away from the injector body. The fuel injector of the present application solves this problem through the interaction of a retention clip, a retention opening in the fuel injector body, and a retention slot in the fuel injector tappet. The retention clip has a body and a protrusion. The retention clip body is contained within the fuel injector body, and the protrusion extends through the retention opening and into the retention slot. After it is assembled, the fuel injector of the present application remains connected during shipping and handling and permits easy installation into an internal combustion engine.

Abstract: An underlayment mat for single ply roof membranes which provides the following: insulation, separate the roof membrane from incompatible materials in the substrate, protect the roof membrane from puncture or undue wear from irregular surfaces on the substrate, provide adequate support while being flexible enough to work with the single ply membrane to absorb shock and, or provide a continuous, flat upper surface on which a roof covering is applied. The underlayment member may be woven or unwoven, it may be spun bound or needled punched or constructed by whatever method best achieves the desired physical characteristics herein described at the most economical cost. Further, this mat may be made of the following materials including but not limited to and either individually or combined: Various synthetic fibers, acrylic, rayon, nylon, polyester, foam or foam scraps, and or mineral fibers such as glass, carbon, mineral wool, ceramic, and slag wood fibers.

Abstract: During assembly, shipping and handling before a mechanically-actuated fuel injector is installed into an internal combustion engine, the fuel injector tappet often accidentally disconnects from the fuel injector body. This separation of the tappet from the fuel injector body is caused by a force placed upon the tappet by a biasing means, such as a spring, that pushes the tappet away from the injector body. The fuel injector of the present application solves this problem through the interaction of a retention clip, a retention opening in the fuel injector body, and a retention slot in the fuel injector tappet. The retention clip has a body and a protrusion. The retention clip body is contained within the fuel injector body, and the protrusion extends through the retention opening and into the retention slot. After it is assembled, the fuel injector of the present application remains connected during shipping and handling and permits easy installation into an internal combustion engine.

Abstract: An electrical actuator subassembly, preferably for use in a fuel injector, includes an externally threaded ferromagnetic metallic body, an internally threaded collar, an electrical actuator, an electrical connector, and a plastic cap. In one embodiment, the electrical actuator is a solenoid, while a piezoelectric actuator is used in a second embodiment. The electrical actuator directly controls a pilot valve member positioned between the metallic body and the injector body, and a needle valve which opens or closes a nozzle outlet at the bottom of the injector. The electrical actuator subassembly is attached to a fuel injector body by mating the external threads of the metallic body to the internal threads of the collar. The collar is attached to the injector body with a groove and snap ring configuration.

Abstract: A method for making an improved pressure sensitive adhesive coated laminate is disclosed. The method involves coating a sheet having a release surface thereon with a pressure sensitive adhesive to form a laminate, drying or curing the pressure sensitive adhesive and marrying the laminate to the inner surface of a facing layer. A material comprising a mixture of substantially water-insoluble and adhesive incompatible polysiloxane (i) and water soluble and adhesive compatible polysiloxane (ii) is included so as to produce a low zero-minute peel value in the pressure sensitive adhesive layer and is intimately mixed with the pressure sensitive adhesive prior to the adhesive being coated on the release surface of the sheet. The resulting laminate can be easily applied to a substrate and removed and repositioned or straightened, if necessary, and provides a superior increase in peel value over a period of time to produce a more permanent installation.

Abstract: An underlayment mat for single ply roof membranes which provides the following: insulation, separate the roof membrane from incompatible materials in the substrate, protect the roof membrane from puncture or undue wear from irregular surfaces on the substrate, provide adequate support while being flexible enough to work with the single ply membrane to absorb shock and, or provide a continuous, flat upper surface on which a roof covering is applied. The underlayment member may be woven or unwoven, it may be spun bound or needled punched or constructed by whatever method best achieves the desired physical characteristics herein described at the most economical cost. Further, this mat may be made of the following materials including but not limited to and either individually or combined: Various synthetic fibers, acrylic, rayon, nylon, polyester, foam or foam scraps, and or mineral fibers such as glass, carbon, mineral wool, ceramic, and slag wood fibers.

Abstract: Articles of manufacture are provided with a low surface energy, permanently non-stick, non-fouling and ice-phobic surface by a system of coating comprising applying a primary coating having a surface energy of 22-28 dynes/cm.sup.2 comprising a novel polymeric material having non-stick and hardness properties and then applying a top coating having lower surface energy of from about 18-21 dynes/cm.sup.2 comprising a siliconic polymer and interdigitating means to make the top coating permanent, the means preferably comprising a bi- or polyfunctional organic compound adapted to wet the surface of the primary coating and chemically or physically bond thereto and to couple to the siliconic polymeric substance in the top coating. The coated substrates are resistant to marking by graffiti, to adherence by marine fouling organisms, and frozen ice on the surface is easily removed.

Abstract: A hydraulically actuated fuel injector comprises a valve body and a stepped valve member. The valve body has a wide bore portion and a narrow bore portion. The stepped valve member has a wide member section and a narrow member section. The wide member section is slidably disposed in the wide bore portion and defines a first diametrical clearance therebetween. The narrow member section and the wide bore portion define a damping chamber therebetween that is wider than the first diametrical clearance. The stepped valve member is slidable between a first position at which the damping chamber is substantially fluidly open to a low pressure hydraulic fluid reservoir, and a second position at which a fractional portion of the narrow member section is slidably disposed within a portion of the narrow bore portion defining a second diametrical clearance therebetween that is less wide than the damping chamber and substantially restricts fluid communication between the damping chamber and the reservoir.

Abstract: A fluid driven piston assembly, preferably for use in a hydraulically-actuated fuel injector, includes a body that defines an actuation fluid cavity and a piston bore. A piston is positioned in the piston bore and moveable between a retracted position and an advanced position. The piston has a pressure surface exposed to fluid pressure in the actuation fluid cavity when it is away from its retracted position. A sealing member is positioned in sealing contact between the piston and the body when the piston is in its retracted position. The sealing member isolates a portion of the piston's pressure surface from the fluid pressure in the actuation fluid cavity when the piston is in its retracted position.

Abstract: Articles of manufacture are provided with a low surface energy, permanently non-stick, non-fouling and ice-phobic surface by a system of coating comprising applying a primary coating having a surface energy of 22-28 dynes/cm.sup.2 comprising a novel polymeric material having non-stick and hardness properties and then applying a top coating having lower surface energy of from about 18-21 dynes/cm.sup.2 comprising a siliconic polymer and interdigitating means to make the top coating permanent, the means preferably comprising a bi- or polyfunctional organic compound adapted to wet the surface of the primary coating and chemically or physically bond thereto and to couple to the siliconic polymeric substance in the top coating. The coated substrates are resistant to marking by graffiti, to adherence by marine fouling organisms, and frozen ice on the surface is easily removed.

Abstract: An injector body defines a fuel pressurization chamber, a spill passage, a stop volume and a nozzle outlet. Positioned within the injector body is a plunger which is movable between a retracted position and an advanced position. The plunger opens the spill passage to the fuel pressurization chamber over a portion of the distance between the retracted and advanced positions. The injector body also contains a needle valve member which includes a closing hydraulic surface that is exposed to fluid pressure in the stop volume. The stop volume is pressure coupled to the spill passage.

Abstract: An improved self-wound roll of a pressure sensitive adhesive coated laminate comprising a substrate which becomes dimensionally-unstable under normal processing conditions, e.g., printing, at least one layer comprising a continuous film of a normally dimensionally stable polymer adhesively fixed to one or both sides of the substrate thereby stabilizing it during processing, a transparent flexible release layer of a resin on the outwardly facing surface of the laminate, and a layer of a modified pressure sensitive adhesive on the inwardly facing surface of the substrate. The laminate can be processed without distortion, wound into rolls, unwound and applied to a surface to be decorated without delamination or shrinkage and without distortion of printed indicia, and it ultimately can be stripped without damage to the surface.

Abstract: Articles of manufacture are provided with a low surface energy, permanently non-stick, non-fouling and ice-phobic surface by a system of coating comprising applying a primary coating having a surface energy of 22-28 dynes/cm.sup.2 comprising a novel polymeric material having non-stick and hardness properties and then applying a top coating having lower surface energy of from about 18-21 dynes/cm.sup.2 comprising a siliconic polymer and interdigitating means to make the top coating permanent, the means preferably comprising a bi- or polyfunctional organic compound adapted to wet the surface of the primary coating and chemically or physically bond thereto and to couple to the siliconic polymeric substance in the top coating. The coated substrates are resistant to marking by graffiti, to adherence by marine fouling organisms, and frozen ice on the surface is easily removed.

Abstract: This invention provides graffiti removers for removing permanent ink stains from painted surfaces. This graffiti removers include an active solvent for dissolving the stains, which are organic in nature, an optional secondary solvent for concentrated attack on the stain without being adversely affected by dilution with water, an emollient for maintaining a uniform dispersion of particulates in the remover and on the graffiti-stained painted surfaces, and an amorphous, particulate, mildly abrasive filler for imbiding the solvents, the filler being selected to permit the slow release of the active solvent.

Abstract: A hydraulically-actuated fuel injector includes an injector body having a nozzle chamber that opens to a nozzle outlet and a plunger bore, and further has a prime spill port and an idle stability port that open to the plunger bore. A hydraulic means for pressurizing fuel in the nozzle chamber includes a plunger mounted to reciprocate in the plunger bore between a retracted position and an advanced position. A portion of the plunger bore and plunger define a fuel pressurization chamber. A needle valve member is mounted to reciprocate in the nozzle chamber between an open position in which the nozzle outlet is open and a closed position in which the nozzle outlet is closed. A portion of the plunger blocks the prime spill port when the plunger is in its retracted position. A different portion of the plunger blocks the idle stability port when the plunger is in its retracted position.

Abstract: Fuel injectors used in present day applications are normally requiring high pressure injection, short injection times and split or modified injection. Thus, this type of injection inherently produces an excess of noise. The present fuel injector assembly (22) overcomes the above deficiencies by controlling the noise emitted from a fuel injector (33). For example, as an actuation system (27) operates the fuel injector (33) the noise created by the opening and closing of the fuel injector (33) is absorbed within an isolator (34). As the fuel injector assembly (22) is installed, the fuel injector assembly (22) is positioned within a bore (26) with the fuel injector assembly being in a second position (29). And, a plurality of fasteners (28) are tightened to a predetermined value moving the fuel injector assembly (22) into a first position (24).

Abstract: A plunger and barrel assembly includes a barrel that defines a plunger bore. A plunger having a pressure face end and a side surface is positioned in the plunger bore and moveable between an advanced position and a retracted position. An O-ring is in contact with the side surface of the plunger and the plunger bore. At least one of the plunger and the barrel define a receiver volume that opens into the plunger bore. A compressible member is positioned in the receiver volume.

Abstract: A transfer composite for in-mold decoration of molded plastic or rubber articles complexing a casting substrate having a controlled release surface, and a thin discontinuously printed pressure sensitive adhesive tape-strippable pattern deposited on the casting substrate, whereby the transfer composite is suitable for inserting into a mold and adapted to resist print-distorting movement during flow of plastics or rubbers in the mold, yet capable of permanently bonding to the molded article without the use of adhesives. After removal from the mold the casting substrate and the controlled release surface are stripped from the decorated article.

Abstract: This invention provides graffiti removers for removing permanent ink stains from painted surfaces. The graffiti removers include an active solvent for dissolving the stains, which are organic in nature, an optional secondary solvent for concentrated attack on the stain without being adversely affected by dilution with water, an emollient for maintaining a uniform dispersion of particulates in the remover and on the graffiti-stained painted surfaces, and an amorphous, particulate, mildly abrasive filler for imbibing the solvents, the filler being selected to permit the slow release of the active solvent.