MULTISTAGE VACUUM PUMP,申请号EP19880117706-传众专利搜索

INDUCTION COOKING DEVICE AND INDUCTION HEATING METHOD

THERMOELECTRIC COOLING SYSTEMS AND ENGINES

OFFSET CANCELLATION FOR AUDIO AMPLIFIER

Producing steel strip by strip casting, comprises placing metal melt from feed vessel to rotating casting strip of horizontal strip casting system by casting groove and siphon-like outlet area formed as casting nozzle under protective gas

Travel's clear path detection method for motor vehicle i.e. car, involves monitoring images, each comprising set of pixels, utilizing texture-less processing scheme to analyze images, and determining clear path based on clear surface

Illuminated display, i.e. for a motor vehicle instrument panel, has a diaphragm at the light outlet to prevent the driver being blinded by the light

Route lamp-retrofit lamp is provided with outer bulb and fluorescent lamp used in outer bulb, where outer bulb is glass bulb

Non verbal communication system, between a vehicle driver and electronic units, has a man machine interface to detect body movements for generating control signals

Sole structure for running shoe i.e. casual shoe, has elastic damping wedge arranged between outer sole and intermediate sole in rear shoe region, and wedge extending from middle-foot region towards rear ball of foot of shoe-wearer

Radio frequency high voltage supply, for a multi-pole ion store in mass spectrometry, uses a variable gap in the transformer ferrite core for stepless high voltage frequency adjustment

Gas insulated high voltage switchgear has two modules equipped with gas compartments acting as pressure container with two phase conductors

Device for measuring speed of poly-phase fluid flowing through pipe in given flow direction, has radiation source arranged to outer side of pipe, which emits photon radiation on poly-phase fluid

Absorption cup for oil level measuring instrument of engine, particularly in motor vehicle, has surface within upper range, which is arranged opposite to measuring channel in absorption cup in angular manner

Display device for motor vehicle, has display element for producing picture display, where display element has form of plate, and printed circuit board for switching configuration to operation of display element

Device for prevention of draining of rain water into door portal of motor vehicle, has liquid draining device provided in lower side of upper cross member of door portal, where draining device includes wedge-shaped downwardly pointing tip

Device for cooling solar cell, has heat reservoir which comprises material for storing heat, where material for storage of heat stays in direct or indirect thermal contact with solar cell

IMAGING METHOD AND USE THEREOF

Diagnostic device for detecting tissue sample i.e. helicobacter pylori, has electrodes partially immersed in container, where change in electric variable is measured between electrodes when ammonia presented in electrodes

Door system for air-tight closure of rooms, has door seal provided with surface in corner areas, which extend when door seal is blown up such that door seal expands in connection with self-stretch of seal material into corner areas

发明名称	MULTISTAGE VACUUM PUMP
摘要
申请公布号	EP0332741(B1)	申请公布日期	1991.09.18
申请号	EP19880117706	申请日期	1988.10.25
申请人	LEYBOLD AKTIENGESELLSCHAFT	发明人	BERGES, HANNS-PETER, DR.
分类号	F04C23/00;F04C29/00	主分类号	F04C23/00
代理机构		代理人
主权项
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