Lennart Hjalmarsson

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Finspong, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method and a device for cooling of a PFBC power plant after a gas t...
- Patent number 4,944,148
- Issue date Jul 31, 1990
- ABB Stal AB
- Lennart Hjalmarsson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and a device for cooling ashes in a PFBC power plant
- Patent number 4,909,163
- Issue date Mar 20, 1990
- ABB Stal AB
- Lennart Hjalmarsson
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Energy plant with heat exchanger in a blow-off device for hot gases
- Patent number 4,838,209
- Issue date Jun 13, 1989
- ABB Stal AB
- Lennart Hjalmarsson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method of controlling a PFBC plant in the event of operational dist...
- Patent number 4,744,212
- Issue date May 17, 1988
- ASEA AB
- Mats Andersson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS