摘要:
The invention relates to the use of crosslinked polyvinylpyrrolidone as an additive to compact, particulate detergents and cleansers for the purpose of increasing the rate of disintegration thereof when brought into contact with water, to the particles of crosslinked polyvinylpyrrolidone having a particle size of from 50 to 400 &mgr;m, to a process for the preparation of the compact, particulate detergents and cleansers, and also to the compact, particulate detergents and cleansers themselves.
摘要:
In a method of operating a passive safety system, such as an airbag supplemental restraint system in a motor vehicle, the trigger threshold value for triggering the deployment of the airbag or the like is updated or changed over time as the vehicle deteriorates with age or operation. As a result of material fatigue, rust and the like, the vehicle chassis becomes less stiff with increased age and/or increased operation. Consequently, the crash behavior of a deteriorated vehicle differs from that of a new vehicle of the same type. Namely, the deceleration during a crash will be less abrupt. To achieve reliable, consistent and timely triggering of the airbag regardless of advancing deterioration of the vehicle, the trigger threshold value is reduced by pre-determined correction values responsive to an increase of one or more degradation-related parameters, such as the age of the vehicle as indicated by a clock, the cumulative operating time of the vehicle as indicated by an operating hour meter, and/or the cumulative distance traveled by the vehicle as indicated by an odometer.
摘要:
A subassembly, intended for use in motor vehicles in particular, consisting of a one-piece or multi-part housing, a plug unit with connecting pins formed integrally with the housing, and a circuit board to accommodate components, wherein the circuit board is configured and arranged in such a way that the connecting pins of the plug unit are guided directly onto or into the circuit board.
摘要:
The invention relates to a solid textile detergent formulation containing (A) 1-60 wt. % inorganic builders based on crystalline or amorphous aluminosilicates, crystalline or amorphous silicates, carbonates and/or phosphates, (B) 1-40 wt. % of one or several glycin-N, N-diacetic acid derivatives of formula (I), wherein R stands for an organic radical and M means hydrogen or a cation, (C) 0-6 wt. % anionic surfactants with one or several sulphate groups, one or several sulphate groups or one or two carboxylate groups and (D) 0.5-50 wt. % non ionic surfactants.
摘要:
An assembly is mounted and secured on a support by at least one securing bolt that is pre-installed in the assembly and engages a keyhole-shaped opening provided in the support. The head of the bolt is inserted through the larger portion of the keyhole opening and then slidingly displaced so the bolt shaft is engaged in the narrower portion of the keyhole opening and the bolt head is secured behind the support. A safety cap is initially mounted on the bolt to cover the tool engagement surfaces of the bolt, and the cap is inserted in the opening together with the bolt. As the assembly is slidingly displaced relative to the support, the safety cap is pushed off the bolt to expose the tool engagement surfaces, by contact of stop surfaces of the safety cap with stop surfaces of the support. The safety cap thereby prevents engagement of a tightening tool with the bolt, until the bolt has surely reached its proper securing position.
摘要:
A contact bridge arrangement in a housing of an electronic assembly provides a simplified electrical interconnection of circuit boards while avoiding the need of electrical plugs, sockets and connector cables for connecting the circuit boards. The contact bridge includes an insulating block provided on the floor of the housing, and a plurality of conducting connectors embedded in the insulating block. First electrical contacts, such as contact pads with holes therein, are provided on the circuit boards, and engage the second electrical contacts in the form of contact pins provided by the free ends of the conducting connectors protruding from the insulating block. Assembling the arrangement simply requires pressing the circuit boards onto the contact pins of the contact bridge. The insulating block of the contact bridge may have a step configuration providing two offset flat support surfaces on which two circuit boards may be supported one above the other with a spacing therebetween.
摘要:
The invention relates to a housing for an electric or an electronic component, in particular a motor vehicle control unit, for which the housing parts or housing connections are designed such that the electric or electronic components are sealed watertight and airtight. Such housings, which are composed if only in part of a thermoplastic synthetic material, are provided with a pressure compensation feature. As a result, the pressure inside the housing is constantly adapted to the outside pressure. With this type of pressure adaptation, it is not possible for gases, particularly water vapor, to permeate the synthetic housing under pressure and reach the electric or electronic components. As a result, damage caused by humidity is greatly reduced and the service life is increased.
摘要:
Fatty acid derivatives based on epoxidized unsaturated fatty acid esters or triglycerides and reacted with amines such as hydroxy- and/or amino-substituted hydrophilic amines or amino acids and/or with alkanols or with water on the epoxy group and/or the carboxylic ester groups are described. These fatty amides are suitable as surfactants in detergents and cleaners.
摘要:
Process for preparing polycondensates of citric acid and/or isocitric acid, by converting(a) citric acid, isocitric acid or mixtures thereof in an organic solvent in the presence of a water-withdrawing agent at least partially into the anhydride form and then condensing the reaction mixture, if desired after addition of two cocondensable compounds selected from the group consisting of(b) other hydroxycarboxylic acids and/or(c) amino acids, alcohols, amines and/or at least dibasic carboxylic acids other than carboxylic acids (a) and (b), at temperatures of at least 80.degree. C. to form polycarboxylates which have an average molecular weight of at least 500, polycondensates of citric acid and/or isocitric acid obtainable thereby, anduse of said polycondensates as ingredients in phosphate-free and reduced-phosphate detergents and cleaners, and also detergents and cleaners which contain at least one surfactant and optionally builders and other customary constituents with from 0.1 to 30% by weight of an abovementioned polyestercarboxylate.
摘要:
Reaction products of polybasic acids and amino-containing compounds, which are obtainable by heating a mixture of (a) a polybasic carboxylic acid selected from the group consisting of citric acid, isocitric acid, aconitic acid, itaconic acid and/or tartaric acid and (b) an amino-containing compound in a molar ratio of (a) to (b) of from 1:0.1 to 1:10 to at least 80.degree. C. are used as additives in low-phosphate and phosphate-free detergents and cleaning agents.