In a method and apparatus for catheter navigation in three-dimensional vascular tree exposures, particularly for intercranial application, the catheter position is detected and mixed into the 3D image of the pre-operatively scanned vascular tree reconstructed in a navigation computer and an imaging (registering) of the 3D patient coordination system ensues on the 3D image coordination system prior...

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 ...

PROBLEM TO BE SOLVED: To improve a freedom of a layout by engaging two worm wheels whose effective radiuses engaged with a worm are different from each other, with the worm which is drivingly rotated, and operating a cam with a rotational difference between both worm wheels generated in association with rotation of the worm. SOLUTION: In the case where a cam mechanism for operating a clutch device...

PROBLEM TO BE SOLVED: To provide a differential gear and manufacture thereof in which a meandering continuous groove provided on the facing surface of a disc plate is formed precisely and which can improve the surface roughness and transmit the torque stably and manufacture at a low cost. SOLUTION: This is a differential gear in which a processed disc plate 2 having formed a meandering continuous ...

PROBLEM TO BE SOLVED: To reduce abrasion, and prevent generation of chip and the like on a cross part of meanderingly continuing grooves and an opposing surface by carrying out plastic work on the meanderingly continuing grooves which are coaxially arranged with an input side rotor, and arranged on a surface opposed to a pair of disk plate on which a plurality of balls are arranged between the opp...

PROBLEM TO BE SOLVED: To manufacture a locus of ideal meanderingly continuing grooves, and exhibit a differential restriction effect for a long period by arranging small grooves on bottom parts of the meanderingly continuing grooves arranged on surfaces opposed to a pair of disk plates in which a plurality of balls are arranged between opposing surfaces, and which are coaxially arranged with an in...

PROBLEM TO BE SOLVED: To prevent generation of chip, pitching, and the like on meanderingly continuing grooves and a cross part of opposing surfaces by carrying out chamfering on a cross part of opposing surfaces and the meanderingly continuing grooves arranged on surfaces opposed to a pair of disk plates which are coaxially arranged with an input side rotor and in which a plurality of balls are a...

PROBLEM TO BE SOLVED: To improve rigidity of a differential case and a case cover, and stabilize differential restriction by forming a female screw having a large diameter on a diameter direction inside of the root of a flange of the differential case, and forming a male screw corresponding to a female screw of the differential case on the case cover for threadly engaging both. SOLUTION: An input ...

PROBLEM TO BE SOLVED: To provide a differential gear which can prevent the fall of a pinion gear and obtain a stable differential limit force. SOLUTION: A differential gear provided with a differential case 3, a pair of side gears of an output side, four pairs of storing holes 17, 19 arranged in parallel with the rotary shaft of the differential case 3 and paired pinion gears stored in the paired ...

PROBLEM TO BE SOLVED: To obtain an output torque distribution ratio of 1:1 by composing a bevel gear type differential mechanism by engaging a pair of output side gears with each pinion gear rotatably supported on a pinion shaft driven by an engine, and providing with differential restricting means between side gears. SOLUTION: A center differential gear 1 arranged on a transfer case of a four-whe...

PROBLEM TO BE SOLVED: To provide a transmission which can reduce the speed change shock and speed change judder by a simple structure. SOLUTION: In a transmission provided two clutch units 30, 50 side by side in the axial direction and constituting plural speed change ratio in response to the engaging state of respective clutches 31, 51 of two clutch units 30, 50, respective axial direction movabl...

PROBLEM TO BE SOLVED: To obtain the easiness of an assembly work without the complication of the assembly operation of a reduction gear. SOLUTION: In a running reduction gear using the rolling bearings 6, 6' of an inner/outer race separation type to the place for supporting the hub 4 of a running start wheel 2 directly connected to the final step output part of a planet gear reduction mechanism tu...

PROBLEM TO BE SOLVED: To prevent the transmission of the switching shock of a driving force source, in a vehicle provided with the transmission with a lockup clutch capable of directly coupling between a driving force source and a drive wheel. SOLUTION: It is judged whether a driving force source is switched or not (S50) and, when it is judged in the affirmative, a lockup clutch 11 is released or ...

PROBLEM TO BE SOLVED: To provide a solar heat water heating system with high efficiency, good appearance and a simple piping at low installation cost. SOLUTION: A solar heat water heating system comprises a heat collecting plate 2, an open hot water storage tank 4, a pipeline 10 for connecting the heat collecting plate 2 to the hot water storage tank 4, a lift pump 7a provided on the pipeline 10 a...

PROBLEM TO BE SOLVED: To obtain a hot water collecting method for solar heat collector and a collecting system hot water supply apparatus in which hot water supply capacity is enhanced by collecting solar heat energy efficiently and external auxiliary heating is reduced. SOLUTION: The hot water supply apparatus comprises a solar heat collector 1 for heating water by collecting solar heat, an exter...

PROBLEM TO BE SOLVED: To actualize a travel state in a state which is closer to the driving senses of a driver by controlling the travel state of a vehicle according to information obtained from the road shape at a spot in front of the vehicle. SOLUTION: A target vehicle speed V(t+&Delta t) is determined (S100) according to the road shape (e.g. curvature variation and a road diameter) of the relat...

PROBLEM TO BE SOLVED: To dispense with a work space above a monobloc battery jar by providing positive and negative output terminals aside on the maintenance face of the monobloc battery jar, and providing an electrically insulating cover body on the monobloc battery jar to cover above the output terminals with the maintenance face side opened. SOLUTION: A monobloc battery jar 1 is installed to us...

PROBLEM TO BE SOLVED: To provide a sealed lead-acid battery free from the fusion of internal parts such as an electrode pole and an electrode plate even in the case of shortcircuiting across the terminals of positive and negative electrodes. SOLUTION: This sealed lead-acid battery has Faston terminals 10 and 11 made of a pair of brass plates buried in a lid 2, with each one end of 10a and 11a of t...

PROBLEM TO BE SOLVED: To provide a clad type positive electrode plate capable of improving capacity density. SOLUTION: A plurality of clad tubes 2A are arrayed like a flat plate and rod type current collectors are respectively arranged at the center of the clad tubes 2A. The clad tubes 2A are filled with an active material so as to envelope current collectors. Also, each clad tube 2A is kept in co...

PROBLEM TO BE SOLVED: To make injection time constant without being influenced by a temperature change by a seasonal change, and to eliminate a fluctuation in performance by reserving heat of a plate group and a battery jar to a temperature of a specific range after housing the plate group in the battery jar, and injecting an electrolyte whose heat is reserved to the same temperature. SOLUTION: A ...