ES389844A1 - Procedimiento para la preparacion de acidos aminoalcohilen-fosfonicos. - Google Patents

Procedimiento para la preparacion de acidos aminoalcohilen-fosfonicos.

Info

Publication number
ES389844A1
ES389844A1 ES389844A ES389844A ES389844A1 ES 389844 A1 ES389844 A1 ES 389844A1 ES 389844 A ES389844 A ES 389844A ES 389844 A ES389844 A ES 389844A ES 389844 A1 ES389844 A1 ES 389844A1
Authority
ES
Spain
Prior art keywords
blades
fan
supply
duct
extract
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES389844A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Joh A Benckiser GmbH
Original Assignee
Joh A Benckiser GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Joh A Benckiser GmbH filed Critical Joh A Benckiser GmbH
Publication of ES389844A1 publication Critical patent/ES389844A1/es
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
ES389844A 1970-04-15 1971-04-02 Procedimiento para la preparacion de acidos aminoalcohilen-fosfonicos. Expired ES389844A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702017947 DE2017947C3 (de) 1970-04-15 1970-04-15 Ventilator

Publications (1)

Publication Number Publication Date
ES389844A1 true ES389844A1 (es) 1973-06-01

Family

ID=5768092

Family Applications (1)

Application Number Title Priority Date Filing Date
ES389844A Expired ES389844A1 (es) 1970-04-15 1971-04-02 Procedimiento para la preparacion de acidos aminoalcohilen-fosfonicos.

Country Status (2)

Country Link
DE (1) DE2017947C3 (es)
ES (1) ES389844A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5967747A (en) * 1998-01-20 1999-10-19 Tennant Company Low noise fan

Also Published As

Publication number Publication date
DE2017947C3 (de) 1978-08-17
DE2017947A1 (de) 1971-10-28
DE2017947B2 (de) 1977-12-29

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