The invention relates to a fire alarm (F) comprising at least one sensor (6, 14, 15) for detecting fire parameters and an evaluation circuit (7) which triggers an alarm signal if a defined first value is exceeded by a corresponding fire parameter. The at least one sensor (6, 14, 15) also monitors a second, greater value of the fire parameter concerned and if said second value is exceeded triggers ...

Composite constructions having an ordered structure of two or more material phases that are combined together in a packed or interwoven configuration are formed from materials selected from: polycrystalline diamond, polycrystalline cubic boron nitride; carbides, borides, nitrides, and carbonitrides from groups IVA, VA, and VIA of the Periodic Table; and mixtures thereof. Another material phase is ...

A method for emplacing a medical anchor in a borehole in biological tissue, the method comprising the steps of providing a borehole in the biological tissue, inserting the anchor into the borehole with a tool such that the anchor is affixed to the tool and in approximate alignment with the borehole, manipulating the tool, the step of manipulating the tool causing the anchor to pivot about an axis ...

Gases produced by a combustion engine (1), e.g. crankcase gases, are conducted through a separation chamber formed and surrounded by a centrifugal rotor (R), by means of which the gases are caused to rotate, so that particles suspended in the gases are separated by means of centrifugal force. The centrifugal rotor (R) is caused to rotate by means of a pressure fluid that is generated by means of t...

A streamer handling and towing system for a seismic survey vessel comprises a beam (42) secured to the underside of the deck (50) of the vessel immediately above the streamer deck (20), so that it extends generally longitudinally of the vessel above normal head height. The beam (42) is pivoted at its stern end, and supported at its other end (54) by a telescopic arm (56) which can lower that end t...

A X-ray image forming method, comprising steps of: conducting a magnifying radiography by irradiating an object with divergent X-ray emitted from a X-ray tube; and forming a X-ray image by detecting X-ray passing through the object by a X-ray detector; wherein the magnifying radiography is conducted to satisfy the following formula: 9E ≥ B, where B is a width ( mu m) of a blurred portion of the X-...

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Ermittlung eines dreidimensionalen Bilddatensatzes eines sich periodisch bewegenden Körperorgans (11) eines Patienten (5) mittels einer eine Röntgenquelle und einen Röntgendetektor (3) aufweisenden Röntgeneinrichtung (1), bei dem gleichzeitig zur Ermittlung der Projektionsdatensätze (D0, D1, ..., D16) ein im Zusammenhang mit der periodi...

Apparatus and methods are provided for compressing biological tissue for use with a radiographic or sonographic imaging system that enhances imaging of the tissue near a patient's chest wall. The apparatus includes a compression assembly having first and second compression surfaces, and structure for positioning the first compression surface relative to the second compression surface so that the f...

The furnace (70) includes a heating element (72) which is restrained from growth during operation of the furnace (70) by retaining spacers (84) which provide a yoke (88) around the individual coils (102) of the heating element (72) and which spacers (84) are interlocked with each other. A high alumina fiber insulation (180) is applied to insulate the heating element (72). This high alumina fiber i...

An aerobic resistance exercise garment (48) effectively supplements a motion exercise. The garment (48) includes an article of clothing worn on the body with an anchor member (14,18,58) worn at the hand or foot. A connecting element (32,34,36,38,39) is connected to the article of clothing (48) and the anchor member (14,18,58). The connecting element (32,34,36,38,39) is preferably made of an elasti...

The utility model relates to a drain controllable solar water heater. The drain controllable solar water heater has a basic structure comprising a water heater bracket and a solar heat collecting pipe which is arranged in parallel on the bracket. The upper end of the heat collecting pipe is communicated with a water tank. An overflow pipe and an upper and a lower water pipe are arranged on the wat...

While a ring gear shaft 126 linked with a drive shaft rotates, a power output apparatus 110 applies a torque to a first motor MG1 attached to a sun gear shaft 125, thereby abruptly increasing a revolving speed of an engine 150, to which a fuel injection is stopped. A torque generated by a frictional force of, for example, a piston in the engine 150 and working as a reaction is applied as a braking...

At each work station of a textile machine producing wound bobbins, the yarn package on which yarn is wound is driven by a friction roller. In contrast to the conventional driving of the roller by a gear motor flanged to the housing of the work station, which has the disadvantage of requiring space and difficulty in removing and replacing the friction roller for maintenance, the present invention s...

A center differential for a four-wheel drive vehicle includes a differential case having a longitudinal axis, front and rear side gears disposed within the differential case in a longitudinal direction, and a plurality of pinion gears engaged with the outer circumferences of the front and rear side gears. Each rotating axis of the pinion gears is declined at a predetermined angle with respect to t...

A device for controlling a turning behavior of a vehicle detects running speed of the vehicle, calculate a standard performance of the turning behavior of the vehicle substantially according to a steering angle input by a steering system and the running speed of the vehicle, calculates a deviation of the turning behavior from the standard performance in an amount of decrease of vehicle running spe...

Rigid polyurethane foams having improved flame resistance are disclosed. The foams are prepared from a composition containing (a) an isocyanate, (b) an isocyanate reactive composition containing an aromatic polyester polyol, (c) an organo phosphorus compound and (d) a C1 to C4 hydrofluorocarbon.

Apparatus for inspecting the sealing surface area (36) of a container finish that includes a light source (44) positioned to direct a collimated line-shaped light beam (46) (i.e., having a length dimension many limes a width dimension) onto the sealing surface area of a container. The line-shaped light beam at the container sealing surface area has a long dimension orthogonal to the container axis...

An opposed pair of inwardly facing radiant energy detecting sensors (20, 22) is positioned to sight on freshly formed glass containers (C) being conveyed on a side by side pair of conveyors (12, 14) to determine if any of the containers is misoriented from its desired orientation. Each sensor has a sharply focused fiber and lens assembly (24) that is focused to sense radiant energy in a cone of vi...

The present invention is a formulated polyether or polyester polyol blend that is useful for preparing polyurethane and polyisocyanurate foams. The formulated polyol blend of the present invention includes: a polyol that is derived from butylene oxide; and a hydrocarbon blowing agent such as pentane or cyclopentane, for example. Use of butylene oxide polyols of the present invention allow inclusio...

A resilient cushion for use in furniture comprises a gas tight enclosure 14, 18, 22 which comprises a first resilient portion 14, 18, 32, 26 from which gas is expelled when compressed, eg. by the weight of a sitting person, into a second receiving portion 32, 22, which may expand to accommodate the gas, the elasticity of porous pad 26 returning the gas from the second portion 32, 22 to the first p...