Obrist Technologies Gmbh

Oet Gmbh

Jochen Bont

Frank Obrist

Christian Busch

Martin Graz

Roman Lässer

Markus Öttl

Roman LÄSSER

The invention relates to a scroll-type positive displacement machine, in particular a scroll compressor, comprising a highpressure chamber (), a low-pressure chamber (), an orbiting displacement spiral (), a counter spiral (), and a counterpressure chamber () which is located between the low-pressure chamber () and the displacement spiral (), wherein an outlet opening (), through which a compressed working medium flows into the high-pressure chamber () during operation, is centrally arranged in the counter spiral () in a high-pressure region, and wherein the displacement spiral () has at least a first and a second passage opening () for fluidic connection to the counter-pressure chamber (), wherein at least the first passage opening () is arranged in the region of the outlet opening () so that, during operation, the first passage opening () and the outlet opening () temporarily overlap at least in sections.

Positive displacement machine, method, vehicle air conditioning system, and vehicle

The invention relates to a scroll-type positive displacement machine, in particular a scroll compressor, comprising a highpressure chamber (), a low-pressure chamber (), an orbiting displacement spiral (), a counter spiral (), and a counterpressure chamber () which is located between the low-pressure chamber () and the displacement spiral (), the displacement spiral () engaging in the counter spiral () in such a way that, during operation, at least a first and a second compression chamber () for receiving a working medium are temporarily formed, and the displacement spiral () having at least one passage opening () for fluidic connection to the counter-pressure chamber (), wherein the passage opening () is located in the displacement spiral () in such a manner that, during operation, due to the orbiting movement of the displacement spiral (), at least sections of the passage opening () are temporarily arranged in the first compression chamber () and subsequently at least sections of the passage opening are temporarily arranged in the second compression chamber ().

Scroll machine with passage in spiral, method, vehicle air conditioning system, and vehicle

The invention relates to a battery system, in particular for a hybrid drive, comprising a housing and a plurality of battery cells arranged within the housing, said cells being combined to give a cell block, wherein a container having a variable inner volume is arranged between the cell block and at least one housing wall, by means of which container the cell block can be braced relative to the housing, wherein the container is filled with a curable or cured medium.

Battery system

Housing for a battery

Growing community of inventors

Feldkirch, Austria

Jochen Bont