EP 1900942 A1 20080319 - Diaphragm type vacuum pump
Title (en)
Diaphragm type vacuum pump
Title (de)
Membranvakuumpumpe
Title (fr)
Pompe à vide de type diaphragme
Publication
Application
Priority
KR 2006087250 W 20060911
Abstract (en)
The present invention relates to a diaphragm type vacuum pump that is compact in size and manufactured at low cost and includes an inclined pin 13 that is radially spaced at a predetermined distance from the rotational center of a motor 1 and turns around the rotational center, a rolling plate 9 that is connected with the inclined pin 13 and eccentrically shakes up and down, and a three-point diaphragm 10 that is combined with the rolling plate 9 and changes the internal volume by eccentrically shaking up and down, in which vacuum pumping is applied by repeating intake and exhaust of air according to changes in the internal volume of the three-point diaphragm 10.
IPC 8 full level
F04B 43/02 (2006.01); A47J 27/00 (2006.01); A47J 27/04 (2006.01); F04B 43/04 (2006.01)
CPC (source: EP US)
F04B 43/04 (2013.01 - EP US)
Citation (search report)
- [XY] DE 3718967 A1 19871210 - OKEN SEIKO KK [JP]
- [Y] EP 0933528 A2 19990804 - OHKEN SEIKO CO LTD [JP]
- [Y] JP H06147128 A 19940527 - OUKEN SEIKO KK
- [Y] EP 1308622 A2 20030507 - OKEN SEIKO CO LTD [JP]
- [A] EP 0767255 A1 19970409 - MATSUSHITA ELECTRIC IND CO LTD [JP]
- [A] JP H05154039 A 19930622 - SHARP KK
- [A] US 5235903 A 19930817 - TIPPMANN EUGENE R [US]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
EP 1900942 A1 20080319; EP 1900942 B1 20090311; AT E425362 T1 20090315; DE 602007000678 D1 20090423
DOCDB simple family (application)
EP 07116000 A 20070910; AT 07116000 T 20070910; DE 602007000678 T 20070910