摘要:
The present invention relates to automotive heat exchanger assemblies that can withstand high environmental temperature and pressures conditions. By providing for a tube strengthener into the tubes at the areas of highest stress, the heat exchanger assembly is strengthened to be efficient under typical operating conditions
摘要:
Adjustable blades for wood chippers and cutters include one or more blades of selected length, thickness and width, fitted with one or more bevelled blade seats in the rear blade edge, which blade seats, in a first embodiment, receive corresponding bevelled inserts having threaded openings fitted with an insert mount screw and a pair of adjusting screws. The mount screws serve to seat the inserts firmly in the blade seats and reverse-manipulation of the adjusting screws in the inserts provides adjustment of the fit of the adjustable blades in a cutting or chipping head, to compensate for re-sharpening of the blades. A method for adjusting the fit of wood cutter and chipper blades in a cutting or chipping head, which includes the steps of providing one or more bevelled insert seats in the rear edge of the blades opposite the cutting edge; placing a correspondingly-shaped bevelled insert in the insert seat or seats; threading an insert mount screw and a pair of adjusting screws through the insert; tightening the insert mount screw against the blade in the insert seat or seats and reverse-manipulating the adjusting screws to extend the adjusting screws from the insert to fit the blades in a chipping or cutting head. In a second embodiment heated babitt metal is poured into a mold receiving the adjustable blades and fills the bevelled blade seat or seats. The liquified babitt metal flows rearwardly of the blade in the mold to solidify and define a babitt extension of selected width that compensates for metal lost in the blade-sharpening operation.
摘要:
To form an ionomer-based catalytic layer on a porous substrate, a heat source (40) is used to dry an ionomer-containing spray (46) so that it does not substantially liquid flow on the substrate (14). The ionomer spray (46) may contain a catalyst. A spray (46) of mixed material for forming the catalytic layer is entrained by a gas stream and is heated and directed to a substrate surface (12). For hydrogen/oxygen fuel cells, catalytic material is incorporated into the proton-conducting membrane (56) to convert diffusing oxygen and hydrogen to water to reduce potential loss at the electrodes and maintain hydration of the proton-conducting membrane (56).
摘要:
A bearing assembly comprising a housing and a ball at least partially housed within the housing. The housing comprises a race having a concave bearing surface, a sleeve surrounding the race, and a resilient member disposed between the race and the sleeve. The surfaces of the race and sleeve adjacent the resilient member and the surfaces of the resilient member preferably include at least one pair of a co-operating protrusion and recess. Alternatively, or additionally, the surfaces of the race and the sleeve adjacent the resilient member have different curvatures.
摘要:
A data stream is transferred through a parallel data bus while the read or write strobe is adjusted. The resultant data is compared to the original data to detect errors with each data line of the parallel bus. The results are displayed on a grid whereby the characteristics of each line of the data bus may be visually understood. The characteristic image of the performance of the data bus may be used for debugging the bus, as well as for other uses wherein the performance is very highly characterized.
摘要:
A system (20) and method to locate an anomaly (22) of a conductor (24) is provided. The system (20) uses a test set (28) to inject a test signal (36) into the conductor (24) at a location (PT) and a probe (30) to detect the test signal (36) at a second location (PP). A communication link (42) between the probe (30) and the test set (28) has a predetermined propagation delay (DS), from which the system (20) can calculate a propagation delay (DTP) of the conductor (24) between the test set (28) and the probe (30), and a propagation delay (DPA) between the probe (30) and the anomaly (22). By varying the location (PP) of the probe (30) until the propagation delay (DPA) between the probe (30) and the anomaly (22) is substantially zero, the precise location (PA) of the anomaly (22) may be determined. The propagation velocity (VC) of the conductor (24) may also be determined. The physical distance (LPA) between the probe (30) and the anomaly (22), and hence the precise location (PA) of the anomaly (22), again may be determined.
摘要翻译:提供了一种用于定位导体(24)的异常(22)的系统(20)和方法。 系统(20)使用测试装置(28)将测试信号(36)在位置(P SUB T T)和探头(30)处注入到导体(24)中以检测测试 信号(36)在第二位置(P P P P)。 探头(30)与测试装置(28)之间的通信链路(42)具有预定的传播延迟(D S S S S S),系统(20)可以从该传播延迟(D)计算传播延迟 在测试装置(28)和探头(30)之间的导体(24)的传导延迟(D> PA<< 和异常(22)。 通过改变探针(30)的位置(P SUB P P)直到探针(30)和异常(22)之间的传播延迟(D SUB PA)基本上 零,可以确定异常(22)的精确位置(P A SUB>)。 也可以确定导体(24)的传播速度(V SUB C)。 探头(30)与异常(22)之间的物理距离(L SUB PA),因此异常(22)的精确位置(P SUB> A SUB>), 可以再次确定。
摘要:
The present invention provides pegylated hemoglobins comprising a thiocarbamoyl-phenyl-polyethylene glycol (PEG) attached to hemoglobin, and comprising a polyethylene glycol (PEG) attached to hemoglobin by an acyl group. The invention also provides methods of preparing pegylated hemoglobins using isothiocyanato phenyl carbamate of PEG and using isothiocyanato phenyl di-PEG carbamate. The invention further provides compositions and blood substitutes comprising pegylated hemoglobins and methods of treating a subject which comprise administering to the subject blood substitutes comprising non-hypertensive pegylated hemoglobins.
摘要:
The present invention is a protective undergarment having an outer layer of a breathable waterproof fabric and an inner layer of a thermally insulated non-absorbent synthetic fabric. The purpose for the invention is to provide protection for skiers and others from sitting on wet, cold or snow covered surfaces. The undergarment, worn inside the outer pants of the user, is held in place by detachable elastic straps at the waist and above each knee. The undergarment only covers the user's crotch and posterior, from the waist down each leg to just above the knee.
摘要:
Compounds of formula (I) and pharmaceutically acceptable salts thereof are disclosed: wherein A is optionally substituted phenyl, naphthyl, indolyl, quinolinyl, quinazolinyl, indazolyl, isoquinolinyl or benzofuranyl; b is 1, 2 or 3 and c is 1, 2 or 3, wherein b+c is 2, 3, 4 or 5; X is carbon, Y is CH, is a double bond and e is 0; or X is carbon, Y is CH2 or oxygen, is a single bond and e is 1; or X is nitrogen, Y is CH2, is a single bond and e is 0; R1 is hydrogen, cyano, halogen, C1-6alkyl, C1-6alkoxy, C1-6alkoxyC1-6alkyl, NHCOCH3 or OCONR5R6, wherein R5 and R6 are independently hydrogen or C1-6alkyl; R2 is halogen, cyano or C1-6alkoxy; d is 0, 1, 2 or 3; R3 is hydrogen, C1-6alkyl, C1-6alkanoyl, fluoroC1-6alkanoyl, C1-6alkylsulfonyl, fluoroC1-6alkylsulfonyl, carbamoyl, C1-6alkylcarbamoyl or arylC1-6alkyl; and R4, together with the nitrogen atom to which it is attached, forms an optionally substituted 5 to 7 membered heterocyclic group fused to the benzene ring, provided that when a compound of formula (I) has the following structure: wherein A, b, c, R1, e, X, Y, R2 and d are as defined above and R3 is hydrogen, C1-6alkyl or arylC1-6alkyl, then (i) X is carbon, Y is CH and is a double bond; or (ii) b and c are both 1; or (iii) the carbon atom adjacent to the oxo-substituted carbon atom in the morpholinyl ring, marked “*”, is substituted. Methods of preparing the compounds and uses of the compounds in therapy, in particular for a CNS disorder such as depression or anxiety, are also disclosed.
摘要:
A water-insoluble polymeric oxidizing medium is contemplated that has a plurality of polymerized N-pyridinium vinylbenzyl triiodide or tribromide moieties whose pyridinium rings bear two substituents, R1 and R2, that are independently a hydrido or a C1-C4 alkyl group, and correspond in structure to the formula A process for preparing aseptic water and an apparatus useful for carrying out that process, both of which utilize a contemplated polymeric oxidizing medium are disclosed, as are processes for oxidizing trivalent arsenic or antimony to pentavalent arsenic or antimony and for removing arsenic from water. Alumina particles containing meta-periodate, iron or manganese are also disclosed that can be used to sorb pentavalent arsenic and antimony, as well as cobalt and mercury.