EP 0066158 A1 19821208 - A cooling fan for an automotive vehicle engine cooling unit.
Title (en)
A cooling fan for an automotive vehicle engine cooling unit.
Title (de)
Ventilator für die Kühleinheit eines Fahrzeugmotors.
Title (fr)
Ventilateur pour unité de refroidissement d'un moteur automobile.
Publication
Application
Priority
JP 7370981 U 19810521
Abstract (en)
The fan comprises a truncated-cone-shaped boss (2), a plurality of blades (4) and an annular ring (5) rigidly connecting the tips of the blades (4), the axial width (1) of the ring (5) being in the range of from one fourth to three fourths of the axial height (h) of the boss (2).
IPC 1-7
IPC 8 full level
F04D 29/32 (2006.01)
CPC (source: EP)
F04D 29/326 (2013.01)
Citation (search report)
- [X] US 3028072 A 19620403 - ATALLA ANWAR A
- [X] US 2779424 A 19570129 - ALBERT LYON GEORGE
- [X] GB 1586763 A 19810325 - NU AIRE CONTRACTS LTD
- [XP] EP 0044243 A2 19820120 - FRAM LTD CANADA [CA]
- [A] GB 2014658 A 19790830 - PAPST MOTOREN KG
- [A] FR 2445457 A1 19800725 - NISSAN MOTOR [JP]
- [A] DE 2756880 A1 19780622 - TOYODA CHUO KENKYUSHO KK
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
DOCDB simple family (application)
EP 82104254 A 19820514