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US 2019/0195225 A1Published application
Rotary blower
AssigneeIngersoll-Rand Company
InventorsJudicaël De Meyere, Thomas Gholami-Zouj
Life of this patent
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Abstract
A rotary blower includes a housing and a pair of meshed rotors. The meshed rotors are disposed in the housing. Each rotor has a plurality of lobes. Each lobe includes a lobe tip seal insert mounted thereon. The lobe tip seal insert is disposed at a tip of the each lobe. Each lobe tip seal insert is constructed to seal against the housing and to prevent or reduce leakage between each lobe and the housing.
Claims20
A rotary blower, comprising:
- a housing;
- a pair of meshed rotors disposed in the housing, each rotor having a plurality of lobes;
- and
- each lobe including a lobe tip seal insert mounted thereon and disposed at a tip of the each lobe, each lobe tip seal insert being constructed to seal against the housing and to prevent or reduce leakage between each lobe and the housing.
1 more element
A rotary blower, comprising:
- a pair of meshed rotors, each rotor having a plurality of lobes;
- and
- each lobe including a lobe side seal insert mounted thereon and disposed on a side of the each lobe, each lobe side seal insert on each lobe on one rotor being constructed to seal against an adjacent lobe in mesh therewith of the other rotor and to prevent or reduce leakage between adjacent lobes in mesh with each other.
A rotary blower, comprising:
- a housing;
- a pair of meshed rotors disposed in the housing, each rotor having a plurality of lobes;
- and
- means for contacting and sealing against the housing and to prevent or reduce leakage between each lobe and the housing.
1 more element
Dependencies are inferred from the claim text.