WALKSON
WALKSON

Step-by-Step Operation of Roots Blowers with Diagrams & Animations (Part 3)

Step-by-Step Operation of Roots Blowers with Diagrams & Animations (Part 3)Step 1 – Inlet Phase
Lobe A opens to inlet; pocket V traps P₁ air.

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Step 2 – Transport Phase
Rotor carries pocket around casing; no compression yet.
Step 3 – Discharge Phase
Pocket opens to P₂ side; backflow equalizes pressure instantly.
Step 4 – Repeat
Four (2-lobe) or six (3-lobe) cycles per revolution.
Full Assembly View (typical industrial unit)

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Pro Tip from the Field
Install a silencer and check valve within 3 m of discharge—prevents reverse rotation damage when power fails (common Reddit r/IndustrialMaintenance story).
Link back: Part 1 – Principles (blog1) | Part 2 – Components (blog2)
References