MARKETS
SOLUTIONS FOR DEMANDING INDUSTRIES
Heating
Our highly efficient, oil-free refrigerant compressors enable high-performance heat pump systems with natural refrigerants.
Cooling
Our infinitely variable turbo compressors offer maximum efficiency and oil-free operation for modern and sustainable refrigeration systems.
Food & Beverage
Our oil-free compressor solutions ensure efficient and reliable refrigeration in the production and storage of food and beverages.
Semiconductor Manufacturing
Our oil-free turbocompressors enable precise and reliable cooling capacity with temperatures down to -160°C for demanding processes in the semiconductor industry.
Medicine & Pharma
Our oil-free refrigerant compressors enable energy-efficient and reliable deep freezing for the storage of blood products, the cooling of vaccines and the freeze-drying of pharmaceutical products.
Cleanroom
Our oil-free air compressors enable a particle-free, energy-efficient air supply for sensitive cleanroom environments.
Packaging & Automation
Our compact, oil-free turbo compressors provide an efficient and demand-based air supply for automated production processes.
Wastewater treatment
Our energy-efficient, oil-free air compressors support the reliable aeration of biological wastewater treatment processes.
Air supply for fish farms
Our oil-free turbo compressors enable an energy-efficient and continuous air supply for aquaculture facility aeration.
TECHNOLOGY
BASIC PRINCIPLE OF THE REFRIGERANT CYCLE
A refrigerant circuit is the basic technical principle of heat pumps and air conditioning systems and enables both heating and cooling of buildings. In this process, a refrigerant circulates in a closed system and undergoes various state changes. First, the refrigerant absorbs heat from the environment at low pressure, for example from outside air, the ground or indoor air, and evaporates in the process.
Anschliessend wird das gasförmige Kältemittel in einem Kompressor komprimiert, wodurch Druck und Temperatur deutlich ansteigen. In diesem heissen Zustand gibt es die aufgenommene Wärme wieder ab – beim Heizen an das Gebäude, beim Kühlen an die Aussenumgebung – und verflüssigt sich dabei erneut. Über ein Expansionsventil wird der Druck danach wieder abgesenkt, das Kältemittel kühlt stark ab und der Kreislauf beginnt von vorn. Der physikalische Prozess ist beim Heizen und Kühlen identisch, lediglich die Richtung der Wärmeübertragung wird umgekehrt.
Im Zuge des Klimaschutzes wurden fluorierte Kältemittel, sogenannte F-Gase, zunehmend reguliert, da sie ein sehr hohes Treibhauspotenzial besitzen. Die europäische F-Gas-Verordnung sieht eine schrittweise Reduzierung und ein weitgehendes Verbot dieser Stoffe vor. Deshalb kommen heute verstärkt natürliche Kältemittel zum Einsatz, die kein oder nur ein sehr geringes Treibhauspotenzial aufweisen. Dazu zählen unter anderem Propan (R290) sowie Luft (R729). Diese natürlichen Kältemittel gelten als zukunftssicher und umweltfreundlich und tragen dazu bei, Heiz- und Kühlsysteme nachhaltiger und klimaverträglicher zu gestalten.
BEARING TECHNOLOGY
AERODYNAMIC GAS BEARING
Aerodynamic air bearings are divided into three main types:
- FOIL BEARINGS
- TILTING PAD BEARING
- SPIRAL GROOVE BEARINGS
For our compressors we use spiral groove bearings, which ensure decisive advantages for the operation of rotary systems with high speeds. Even at low speeds, an air film builds up between the shaft and the bearing - the shaft rotates stably and without contact. This enables virtually wear-free, efficient as well as long-lasting operation of the compressor.
heat pump system
Enabling future-proof heating with R290 and R1270
FISCHER‘s oil-free compressor technology simplifies heat pump system design by eliminating the need for complex oil management components. Without oil separators, pumps, filters, and return circuits, OEMs benefit from reduced system complexity, lower maintenance costs, enhanced reliability, and improved heat exchanger performance.
REVERSED BRAYTON CYCLE
Air-based cooling for temperatures down to -160°C
The reversed Brayton cycle uses air as a natural refrigerant to provide efficient heating and cooling. Air is compressed, cooled, expanded, and recirculated within a closed cycle. Combined with FISCHER‘s oil-free turbo compressor technology, this enables reliable, sustainable, and highly efficient operation across a wide temperature range, including cryogenic applications down to -160°C.
CUSTOMER BENEFITS WITH FISCHER TURBOCOMPRESSORS
Your Key to Lasting Success
Long term performance
Efficiency Comparison
