FI (list display)

  • F22D11/00
  • Feed-water supply not provided for in other main groups HB CC 3L074
  • F22D11/00@A
  • related to large boilers for electric power generation HB CC 3L074
  • F22D11/00@B
  • .Feed-water systems HB CC 3L074
  • F22D11/00@C
  • ..Condenser systems HB CC 3L074
  • F22D11/00@D
  • ..Makeup water systems HB CC 3L074
  • F22D11/00@E
  • ..Warming systems for feed-water pumps HB CC 3L074
  • F22D11/00@F
  • ..Shaft-sealed water systems for water-feed pumps HB CC 3L074
  • F22D11/00@G
  • ..Cleanup (purification) systems HB CC 3L074
  • F22D11/00@H
  • .Drain collection systems HB CC 3L074
  • F22D11/00@J
  • related to small boilers HB CC 3L074
  • F22D11/00@K
  • .Feed-water systems HB CC 3L074
  • F22D11/00@L
  • ..Makeup water systems HB CC 3L074
  • F22D11/00@M
  • ...Feed-water tanks HB CC 3L074
  • F22D11/00@N
  • ..Cleanup (purification) systems HB CC 3L074
  • F22D11/00@Z
  • Others HB CC 3L074
  • F22D11/02
  • .Arrangements of feed-water pumps (F22D 11/06 takes precedence; pumps per seF04) HB CC 3L074
  • F22D11/04
  • ..with means to eliminate steam formation HB CC 3L074
  • F22D11/06
  • ..for returning condensate to boiler HB CC 3L074
  • F22D11/06@A
  • Condensate collection arrangements HB CC 3L074
  • F22D11/06@B
  • .by ejectors HB CC 3L074
  • F22D11/06@Z
  • Others HB CC 3L074
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