Guard for a rotary pump
AssigneeWeir Minerals Australia Ltd.
InventorsWen-Jie Liu, Nathan Reid
Life of this patent
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Abstract
Guards for rotary pumps are described, the pump having a main body and further including an impeller housing and a driveshaft extending between the main body of the pump and the impeller housing; the pump further including an adjustable sealing arrangement provided at a region where the driveshaft enters the impeller housing, the guard provides access to adjust the sealing arrangement but obstructs access to the driveshaft.
Claims12
A guard for a rotary pump, the pump having a main body and further including an impeller housing and a driveshaft extending between the main body of the pump and the impeller housing;
- the pump further including an adjustable sealing arrangement provided at a region where the driveshaft enters the impeller housing, the guard provides access to adjust the sealing arrangement but obstructs access to the driveshaft.
A rotary pump, the pump having a main body and further including an impeller housing and a driveshaft extending between the main body of the pump and the impeller housing;
- the pump further including an adjustable sealing arrangement provided at a region where the driveshaft enters the impeller housing, the adjustable sealing arrangement including a gland seal, an adjustable gland follower and bolt ends projecting from the gland follower;
- the pump further including a guard, the guard provides access to adjust the sealing arrangement but obstructs access to the driveshaft, the guard includes at least two guard elements, one of the elements is attached to the main body of the pump, the other element is attached to the gland follower, and the guard further including apertures to accommodate the bolt ends of the adjustable sealing arrangement.
Dependencies are inferred from the claim text.