Abstract: An image forming apparatus includes a photosensitive drum, a developing device configured to supply toner onto the photosensitive drum, a transfer device configured to transfer the toner supplied onto the photosensitive drum onto a sheet, a spraying device configured to spray a fixing liquid toward the sheet onto which the toner has been transferred, the spraying device including a housing configured to accommodate the fixing liquid and nozzles configured to spray the fixing liquid inside the housing, and a collecting device configured to collect the fixing liquid sprayed from the nozzles and did not adhere to the sheet. The collecting device includes a collection tray configured to accommodate the fixing liquid, a collection pipe connected to the collection tray and configured to allow the fixing liquid in the collection tray to pass therethrough, and a collection pump configured to send the fixing liquid in the collection pipe toward the housing.

Abstract: An electrical device is provided. The electrical device includes a case, a first electrical part, a second electrical part, and a connecting portion. The case includes a first case and a second case coupled to the first case. The first electrical part is fixed to the first case. The second electrical part is fixed to the second case. The connecting portion is configured to connect a first conductor extending from the first electrical part and a second conductor extending from the second electrical part each other. Either one of the first case and the second case includes a through hole. The connecting portion is disposed so as to be entirely visible from the through hole as viewed from an outside of the case.

Abstract: A power conversion device includes a case including an upper case and a lower case; an inverter that is accommodated in a first partial case and is fixed to the first partial case, the first partial case being one of the upper case and the lower case; and a capacitor that is connected to the inverter by a positive electrode bus bar and a negative electrode bus bar, the capacitor being disposed in an internal space of a second partial case that is another of the upper case and the lower case. The first partial case includes a fastening portion that extends from an internal space of the first partial case to the internal space of the second partial case. In the internal space of the second partial case, the capacitor is fastened to the fastening portion.

Abstract: A power conversion device includes a case including an upper case and a lower case; an inverter that is accommodated in a first partial case and is fixed to the first partial case, the first partial case being one of the upper case and the lower case; and a capacitor that is connected to the inverter by a positive electrode bus bar and a negative electrode bus bar, the capacitor being disposed in an internal space of a second partial case that is another of the upper case and the lower case. The first partial case includes a fastening portion that extends from an internal space of the first partial case to the internal space of the second partial case. In the internal space of the second partial case, the capacitor is fastened to the fastening portion.

Abstract: An electrical device is provided. The electrical device includes a case, a first electrical part, a second electrical part, and a connecting portion. The case includes a first case and a second case coupled to the first case. The first electrical part is fixed to the first case. The second electrical part is fixed to the second case. The connecting portion is configured to connect a first conductor extending from the first electrical part and a second conductor extending from the second electrical part each other. Either one of the first case and the second case includes a through hole. The connecting portion is disposed so as to be entirely visible from the through hole as viewed from an outside of the case.

Abstract: A power control device includes a cooling medium flow channel provided on a lower portion of a casing of the power control device; a cover attached to a lower surface of the casing with a gasket interposed between the cover and the lower surface, the gasket surrounding the cooling medium flow channel, the cover closing the cooling medium flow channel; and a groove or a protrusion provided on the lower surface at a position between the gasket and an outer edge of the lower surface.

Abstract: A power conversion device includes a laminated unit, a reactor, a shield, and coolant passages. In the laminated unit, flat-plate semiconductor modules housing semiconductor elements and flat-plate cooling plates are laminated. The shield is interposed between the reactor and electronic components. The coolant passages supply coolant to or discharge coolant from the laminated unit. The coolant passages pass through an interior of the shield.

Abstract: A scroll thrust bearing having both-end conical rollers are rolling elements, being low in cost, high in precision, large in load capacity, and excellent in durability. A plurality of both-end conical rollers are held rotatably between a pair of bearing plates, and the relation of the scroll swirl radius (R) of both-end conical roller and the dimension (H) between opposite tracks of the both bearing plates is set in a range of 1<H/R<5. As compared with the preset scroll swirl radius (R) of both-end conical roller, the section curvature in the contact portion with the tracks of the both bearing plates of the conical surfaces of the both-end conical roller is kept as small as possible in a practical range, so that the surface pressure acting on the conical surfaces of the both-end conical roller is kept as small as possible.

Abstract: A scroll thrust bearing having both-end conical rollers are rolling elements, being low in cost, high in precision, large in load capacity, and excellent in durability. A plurality of both-end conical rollers are held rotatably between a pair of bearing plates, and the relation of the scroll swirl radius (R) of both-end conical roller and the dimension (H) between opposite tracks of the both bearing plates is set in a range of 1<H/R<5. As compared with the preset scroll swirl radius (R) of both-end conical roller, the section curvature in the contact portion with the tracks of the both bearing plates of the conical surfaces of the both-end conical roller is kept as small as possible in a practical range, so that the surface pressure acting on the conical surfaces of the both-end conical roller is kept as small as possible.

Abstract: Data processing apparatus including a display monitor operable in response to a display signal of predetermined frequency and a computer for transmitting a display signal to the display monitor. The display monitor generates an identifier signal indicating the predetermined frequency at which the display monitor operates. The computer means uses the identifier signal to determine the frequency of the display signal.

Abstract: An amphoteric polyelectrolite represented by the general formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are H or alkyl, R.sup.5 is H, alkyl or w-OH substituted alkyl, HY is monobasic acid, and Z is amide.

Abstract: An amphoteric polyelectrolite represented by the general formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are H or alkyl, R.sup.5 is H, alkyl or w--OH substituted alkyl, HY is monobasic acid, and Z is amide.

Abstract: A method for the production of a 1,3-thiazolidin-2-one represented by the general formula II: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently hydrogen atom or a lower alkyl group, which method comprises causing a 1,3-thiazolidine represented by the general formula I: ##STR2## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 R.sup.5, and R.sup.6 are independently hydrogen atom or a lower alkyl group to react with urea.

Abstract: A process for producing an aziridine compound represented by the following general formula ##STR1## wherein R represents hydrogen, or a methyl or ethyl group, which comprises intramolecularly dehydrating an alkanolamine represented by the following formula ##STR2## wherein R is as defined, X is OH or NH.sub.2, and Y is NH.sub.2 when X is OH, and OH when X is NH.sub.

Abstract: 4-Methyl-5-[(2-aminoethyl)-thiomethyl]-imidazole can be effectively produced by causing 4-methylimidazole or a salt thereof to react with at least one member selected from the group consisting of (a) a formaldehyde adduct of cysteamine, (b) 2-aminoethanethiol sulfuric acid and formaldehyde or a formaldehyde oligomer, and (c) thiazolidine or a salt thereof, in the presence of a mineral acid, removing a portion of reaction liquid out of the reaction system while maintaining molar concentration of 4-methyl-5-[(2-aminoethyl)-thiomethyl]-imidazole in the reaction system not exceeding 70 mol % based on total mol numbers of 4-methylimidazole and 4-methyl-5-[(2-aminoethyl)-thiomethyl]-imidazole, then separating a liquid containing 4-methyl-5-[(2-aminoethyl)-thiomethyl]-imidazole from the removed portion of reaction liquid, and recycling the remainder into the reaction system.

Abstract: In a method for the production of a dithiodialdehyde represented by the formula II: ##STR1## wherein R.sup.1 and R.sup.2 are independently alkyl group of 1 to 8 carbon atoms, by condensation of an active hydrogen-containing aldehyde represented by the formula I: ##STR2## wherein R.sup.1 and R.sup.2 have the same meanings as defined above, with sulfur monochloride, the improvement which comprises simultaneously supplying said active hydrogen-containing aldehyde and sulfur monochloride to an inactive solvent, or adding said active hydrogen-containing aldehyde to a mixture of said inactive solvent with the sulfur monochloride.

Abstract: Assuming that a given equation representing a quadratic curve is:F(x, y)=ax.sup.2 +bxy+cy.sup.2 +dx+ey+f=0,the method for generating quadratic curve signals repeatedly selects a point close to F (x, y)=0 in only one of either the region of F (x,y).gtoreq.0 or the region of F (x,y)<0. This method allows to generate quadratic curve signals by using only a few parameters and without using complicated calculations. A hardware implementation is also disclosed.

Abstract: A method for the producing 2-[[[5-(dialkylamino)alkyl-2-furanyl]methyl]thio]-ethane amine by the reaction of cysteamine or cysteamine hydrochloride containing free hydrogen chloride with 5-(dialkyl amino)alkyl furfuryl alcohol, which method can be obtained the product in a highly yield by carrying out said reaction at a temperature in the range of 30.degree. to 80.degree. C.

Abstract: A method for the production of an aqueous dispersion of a water insoluble N-substituted N',N'-alkylene urea having the general formula I: ##STR1## wherein R.sup.1 denotes alkyl having 6 to 20 carbon atoms, phenyl or ##STR2## in case of m=1, or R.sup.1 denotes alkylene having 6 to 20 carbon atoms, phenylene or ##STR3## in case of m=2, where X denotes H, CH.sub.3 or OCH.sub.3 and n is 0 or 1, R.sup.2 denotes H or CH.sub.3, R.sup.3 denotes H, CH.sub.3 or C.sub.2 H.sub.5 and R.sup.4 denotes H or CH.sub.3, by the reaction of an alkylene imine having 2 to 4 carbon atoms with an isocyanate represented by the general formula II:R-NCO (II)wherein R denotes an alkyl having 6 to 20 carbon atoms, ##STR4## wherein X and n are the same as above in the presence of at least one surface active agent selected from the group consisting of anionic surface active agents and nonionic surface active agents under vigorous stirring.

Abstract: A method of recovering ethylene oxide from the reaction product gas that is obtained by the catalytic vapor phase oxidation of ethylene with molecular oxygen over a silver-containing catalyst, which comprises conducting the reaction product gas to an absorption column maintained at a pressure in the range of 2 - 40 kg/cm.sup.2, countercurrently contacting reaction product gas with an aqueous absorbent in the absorption column to dissolve ethylene oxide in the aqueous absorbent to form an aqueous ethylene oxide solution, conducting the thus formed aqueous solution to a stripping column, stripping and recovering ethylene oxide from aqueous ethylene oxide solution at the stripping column, and thereafter recycling the remaining aqueous solution which is obtained after stripping ethylene oxide to the absorption column to be again used as the aqueous absorbent; characterized by using as the aqueous absorbent one containing ethylene glycol in the range of 0.1 - 40% by weight and a defoaming agent in the range of 0.