Abstract: An ink feeding system for feeding ink to an ink fountain of a printing, duplicating or like machine includes a can holder for holding a can of printing ink. A support arm suspends the can holder and can above the ink fountain. A piston-and-cylinder device feeds ink from the suspended can through a hole in the closed bottom end of the can and into the ink fountain. A disposable gasket is placed on top of the ink in the can for engagement by a piston head of the piston-and-cylinder device.

Abstract: A holographic security label and automated reading machine for marking and subsequently authenticating any object such as an identification badge, a pass, a ticket, a manufactured part, or a package is described. The security label is extremely difficult to copy or even to read by unauthorized persons. The system comprises a holographic security label that has been created with a coded reference wave, whose specification can be kept secret. The label contains information that can be extracted only with the coded reference wave, which is derived from a holographic key, which restricts access of the information to only the possessor of the key. A reading machine accesses the information contained in the label and compares it with data stored in the machine through the application of a joint transform correlator, which is also equipped with a reference hologram that adds additional security to the procedure.

Abstract: This invention teaches a series parallel heated oxygen sensor control wherein a parallel portion is used to apply heat to the oxygen sensor during warm-up and a series portion is used to apply heat to the oxygen sensor afterwards so that about one quarter of the amount of power is applied after warm-up.

Abstract: A boron nitride ceramic is used as a high temperature gasket material to prevent gas leakage between an exhaust gas oxygen sensor and the exhaust system of an internal combustion engine.

Abstract: A baffle is added to the inlet pipe and inlet volume of a catalytic converter to maintain separation between converging exhaust gas streams entering into the catalytic converter material. Combination of the exhaust gas streams entering the catalytic converter is thereby substantially avoided, allowing a single catalytic converter to handle the exhaust gas components of a plurality of exhaust gas streams from an engine without overloading the catalytic converter. Overloading of the catalytic converter due to the combination of exhaust gas components, and the related surging of unreacted gases to the atmosphere from overloading, is thereby substantially prevented, providing improved emissions control at a low cost, and without requiring addition of a second catalytic converter.

Abstract: A terminal member (120) for an electrolyte sensor (24) having a first diameter section (122) separated from a second diameter section (124) by a shoulder (126). A stepped axial bore (138) extends from a second end (134) forward a first end (132). First and second passages (128 and 130) extend from the first end (132) to the second end (134). An axial slot (136) extends through the second diameter (124) to the stepped axial bore (138). First and second grooves (156 and 158) located on the periphery of the first diameter (122) extend to a first radial slot (160). A second radial slot (162) is offset from the first radial slot (160). The first and second radial slots (160 and 162) position terminals (164 and 164') connected to a heater member (92) located in bore (138) while first and second contact rings (142 and 144) are located on shoulder (126) and (140) to provide isolation for electrical paths between an external surface (80) and internal surface (82) of an electrolyte sensor (24).

Abstract: A glow plug has a heater member form by depositing a continuous metallic-silicide layer on the internal and external surfaces of a hollow open-ended cylindrical ceramic substrate. The metallic-silicide layer on the external surface of the substrate is electrically connected to a metal shell which supports one end of the heater member. An axial electrode disposed in the shell is electrically connected to the metallic-silicide layer disposed on the internal surface of the substrate and further serves together with a shoulder on the heater member to lock the heater member in the shell. The metallic-silicide resistive layer has a positive temperature coefficient of resistance and is substantially uneffected by micro-irregularities on the substrate surfaces to provide a cold resistance of from 0.2 to 0.6 ohms and is capable of responding to five amperes of current to develop a temperature of at least 800.degree. C. within five seconds.

Abstract: A sensor (24) having a metal shell (30) joined to a sleeve (96) to locate a heater (92) in a thimble of an electrolyte member (72). A sealed joint is produced between the sleeve (96) and metal shell (30) to define a sealed reference chamber (118). A porous filter (112) in the sleeve (96) prevents water in environmental air from entering the reference chamber (118). Leads (106') and (106") which pass through a seal (123) adjacent the porous filter (112) are connected to terminals (164 and 164'). Terminals (164 and 164') located in a terminal member (120) position a heater (92) within chamber (118) and the electrolyte member (72). Leads (106 and 106.sup.n) which pass through the porous filter are connected to contact rings (142 and 144). Contact rings (142 and 144) are connected to an external and internal coating (80 and 82) on the electrolyte member (72).

Abstract: A novel antistatic packaging material and method employing a F.sup.+ -impted electractive polymer are described. The implanted polymer contacts the surface of the substrate and conducts away any static charge that may exist upon the substrate.

Abstract: A temperature sensor (1) having a thick or thin film forming a resistance temperature sensing element (13c), a thermocouple (13a, 13b) or a resistance temperature device (13d) applied to the outer surface of one end (5) of a dielectric, cylindrical support (3) having a continuous circumferential protuberance (11) about the middle portion (9) thereof which can be engaged by a metal fixturing shell (33). Film type electrodes (15) and (17) extend upwardly along the outside of the dielectric support to terminal grooves (28) on the other end (7). A dielectric coating (29) is applied over the electrodes (15) and (17) to provide electrical isolation from the metal shell (33). A coating (29") may also be applied over the sensors (13) to reduce corrosion and abrasion and to provide electrical insulation.

Abstract: An oxygen sensor utilizes a chrome oxide compensating resistor (5) in series with a titania sensing resistor (3). The chrome oxide resistor (5) not only compensates for the effects of temperature on the titania sensing (3) resistor, but since it exhibits (p) type behavior while the titania exhibits (n) type behavior in the presence of gaseous oxygen, the sensitivity of the sensor is increased. The resistors (3, 5) can be applied as a film to a substrate (7) or they can be formed as discrete chips. Substantial quantities of alumina and glass can be added to the chrome oxide without affecting oxygen sensitivity although the electrical resistance rises substantially.

Abstract: An oxygen sensor (1) for detecting the oxygen content of an internal combustion engine exhaust gas system includes a generally cylindrical hollow insulator (3) having a first resistive element (17), preferably of titania, and a second resistive element (19) preferably of zirconia or chromia, adjacent the closed end (9) thereof, grooves (23) adjacent the open end (7) thereof, and an intermediate portion (11) having a shoulder (13), with electrically conductive film leads (29) passing over the surface of the insulator (3) between the resistive elements (17 and 19) and the grooves (23), with a dielectric coating (33) over the conductive film leads (29) in the area of a metal shell (31) to insulate the film leads (29) from the shell (31).

Abstract: A temperature compensated oxygen sensor has a generally cylindrical first insulator with an axial bore extending therethrough which is counterbored at one end. A second cylindrical insulator is retained in the bore in the first insulator either by a radial inwardly directed flange on the second end of the first insulator or by a radial outwardly directed flange on one end of the second insulator which seats in the counterbore of the first insulator. A titania resistor and a compensating resistor are mounted on the second end of the second insulator by leads extending through longitudinal bores in a second cylindrical insulator and into the counterbore in the first insulator. The leads are connected to terminals which are retained in the counterbore either by a chemical bonding agent or by a third cylindrical insulator through which the terminals extend. The third insulator can be secured either by mechanical means and/or by a chemical bonding agent including a glass preform.