EP 2842687 A1 20150304 - Sander providing airflow correction
Title (en)
Sander providing airflow correction
Title (de)
Schleifmaschine mit Luftstromkorrektur
Title (fr)
Correction d'écoulement d'air de ponceuse
Publication
Application
Priority
EP 13182373 A 20130830
Abstract (en)
A sander capable of correcting airflow amount comprises a body (1) and a correction valve (2). The body (1) includes an air intake passage (11) to receive pressurized air, a drive motor (12) driven by the pressurized air to rotate at a rotational speed including a preset range and an excessive range, and a regulation valve (14) located on the air intake passage (11) to adjust the rotational speed of the drive motor (12) in the preset range. The correction valve (2) includes an adjustment portion (21) operable in an adjustment displacement and a mask wall (22) movable by the adjustment portion (21) to block the air intake passage (11). The adjustment portion (21) determines the flow amount of the pressurized air passing through the correction valve (2) according to the adjustment displacement thereof to confine the rotational speed of the drive motor (12) from the excessive range to the preset range, thereby controls the rotational speed of the drive motor in the preset range.
IPC 8 full level
B24B 23/02 (2006.01)
CPC (source: EP)
B24B 23/026 (2013.01)
Citation (applicant)
TW M352423 U 20090311 - SUNMATCH IND CO LTD [TW]
Citation (search report)
- [XI] EP 0691181 A1 19960110 - SHINANO SEISAKUSHO KK [JP]
- [A] US 5319888 A 19940614 - HUBER PAUL W [US], et al
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 13182373 A 20130830