Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F7/00—Ventilation
  • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
  • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
  • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
  • F04D29/00—Details, component parts, or accessories
  • F04D29/58—Cooling; Heating; Diminishing heat transfer
  • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
  • F04D29/5826—Cooling at least part of the working fluid in a heat exchanger
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
  • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
  • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
  • Y02B30/56—Heat recovery units

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Thermal Sciences (AREA)
• Physics & Mathematics (AREA)
• Structures Of Non-Positive Displacement Pumps (AREA)
• Power Steering Mechanism (AREA)
• Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
• Central Heating Systems (AREA)
• Thermotherapy And Cooling Therapy Devices (AREA)
• Steam Or Hot-Water Central Heating Systems (AREA)
• Drying Of Gases (AREA)
• Air-Conditioning Room Units, And Self-Contained Units In General (AREA)

Priority Applications (9)

Applications Claiming Priority (1)

Publications (1)

Family

ID=8147699

Family Applications (2)

Family Applications After (1)

Country Status (8)

Families Citing this family (17)

Family Cites Families (7)

• 1989
  • 1989-12-06 DK DK615289A patent/DK615289D0/da not_active Application Discontinuation
• 1990
  • 1990-12-06 AU AU69509/91A patent/AU6950991A/en not_active Abandoned
  • 1990-12-06 DE DE69016674T patent/DE69016674T2/de not_active Expired - Fee Related
  • 1990-12-06 AT AT91900742T patent/ATE118084T1/de not_active IP Right Cessation
  • 1990-12-06 WO PCT/DK1990/000318 patent/WO1991008425A1/en active IP Right Grant
  • 1990-12-06 DK DK91900742.7T patent/DK0517701T3/da active
  • 1990-12-06 EP EP91900742A patent/EP0517701B1/en not_active Expired - Lifetime
• 1992
  • 1992-06-04 NO NO922205A patent/NO175503C/no unknown
  • 1992-06-05 FI FI922602A patent/FI96798C/fi active

Also Published As

Similar Documents

Legal Events