Parallel connected multiple shaft roots vacuum pump
AssigneesElivac Inc., China Link Consultant Company, Ltd.
InventorRaymond Zhou Shaw
Life of this patent
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Abstract
A parallel connected multiple shaft roots vacuum pump includes an electric motor (30); a pump body which has N (N is an integers and is greater or equal to 2) parallel pump chambers (11); a bladed rotor set (4) installed within the pump body and including an active bladed rotor (3), and 2N-1 driven bladed rotors (41, 42, 43); wherein the active bladed rotor includes an active driving gear (8); each driven bladed rotor includes a respective driven gear (401, 402, 403) which are installed at two sides of the active driving gear; a bridge gear set (9) is installed between the active driving gear (8) and two driven gears (402, 403) at a right side of the active driving gear.
Claims10
A parallel connected multiple shaft roots vacuum pump, comprising:
- an electric motor (30);
- a pump body which has N parallel pump chambers (11);
- wherein N is an integers and is greater or equal to 2;
- a bladed rotor set (4) installed within the pump body and including
- an active bladed rotor (3), and
- 2N-1 driven bladed rotors (41, 42, 43);
- wherein the active bladed rotor includes an active driving gear (8);
- each driven bladed rotor includes a respective driven gear (401, 402, 403) which are installed at two sides of the active driving gear;
- a bridge gear set (9) is installed between the active driving gear (8) and two driven gears (402, 403) at a right side of the active driving gear.
Dependencies are inferred from the claim text.