ES351939A1 - Fan. - Google Patents
Fan.Info
- Publication number
- ES351939A1 ES351939A1 ES351939A ES351939A ES351939A1 ES 351939 A1 ES351939 A1 ES 351939A1 ES 351939 A ES351939 A ES 351939A ES 351939 A ES351939 A ES 351939A ES 351939 A1 ES351939 A1 ES 351939A1
- Authority
- ES
- Spain
- Prior art keywords
- blade
- pivot
- mechanizm
- tumbler
- blades
- 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
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
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/34—Blade mountings
- F04D29/36—Blade mountings adjustable
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
An axial-flow fan comprises a wheel in which each blade 1 is pivotable about a radial pivot 13, the pivotal movement being limited by stops defining two reversible working positions of the blades, a mechanizm for reversing the blades to reverse the direction of gas flow, the mechanizm comprising for each blade a resilient element engaging the pivot in one of two interchangeable eccentric positions corresponding with the working positions, a central port 3 being connected to the resilient elements for reversal of the eccentric positions of the resilient elements. In the embodiment shown, each resilient element comprises a pin 7 resiliently pressed by a helical spring 6 against a tumbler 10 on the pivot 13. When the part 3, which is in the form of a disc, is turned manually to move each pin 7 from engagement with one arm 11 of the tumbler 10 to engagement with the opposite arm 12, or vice versa, each blade is thereby turned so that the direction of flow imparted to the air is reversed. In another embodiment, Fig. 4 (not shown), the springs 6 and pins 7 are replaced by leaf springs (16).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6704375A NL151472B (en) | 1967-03-25 | 1967-03-25 | FAN WITH FOLDABLE BLADES BETWEEN TWO POSITIONS. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES351939A1 true ES351939A1 (en) | 1969-07-01 |
Family
ID=19799665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES351939A Expired ES351939A1 (en) | 1967-03-25 | 1968-03-23 | Fan. |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4924484B1 (en) |
| AT (1) | AT279025B (en) |
| BE (1) | BE712749A (en) |
| CH (1) | CH469906A (en) |
| DE (1) | DE1628396B2 (en) |
| ES (1) | ES351939A1 (en) |
| FR (1) | FR1556879A (en) |
| GB (1) | GB1191602A (en) |
| NL (1) | NL151472B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7115108A (en) * | 1971-11-03 | 1973-05-07 | ||
| CN103573677A (en) * | 2013-10-31 | 2014-02-12 | 陈潜 | Anti-reversion transmission device for plastic pump impeller |
-
1967
- 1967-03-25 NL NL6704375A patent/NL151472B/en unknown
-
1968
- 1968-02-10 DE DE1968N0032109 patent/DE1628396B2/en active Granted
- 1968-03-22 CH CH423668A patent/CH469906A/en unknown
- 1968-03-22 AT AT286268A patent/AT279025B/en not_active IP Right Cessation
- 1968-03-22 FR FR1556879D patent/FR1556879A/fr not_active Expired
- 1968-03-22 JP JP1828368A patent/JPS4924484B1/ja active Pending
- 1968-03-22 GB GB1397268A patent/GB1191602A/en not_active Expired
- 1968-03-23 ES ES351939A patent/ES351939A1/en not_active Expired
- 1968-03-25 BE BE712749D patent/BE712749A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6704375A (en) | 1968-09-26 |
| DE1628396A1 (en) | 1971-10-28 |
| NL151472B (en) | 1976-11-15 |
| AT279025B (en) | 1970-02-25 |
| FR1556879A (en) | 1969-02-07 |
| DE1628396B2 (en) | 1976-06-10 |
| BE712749A (en) | 1968-09-25 |
| JPS4924484B1 (en) | 1974-06-24 |
| CH469906A (en) | 1969-03-15 |
| GB1191602A (en) | 1970-05-13 |
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