PUMP FOR HIGH-VISCOSITY FLUIDS Russian patent published in 2009 - IPC F04D7/00 F04D3/02 

FIELD: engines and pumps.

SUBSTANCE: invention relates to pumps designed to transfer high-viscosity oil products. Proposed pump comprises working member, a spring, arranged inside the casing with intake and discharge sections, spring drive and loosening device. The latter represents a hollow turned over funnel with openings. Aforesaid funnel houses knives fitted on horizontal disk mounted on the spring end. Shaft arranged along the device axis joints aforesaid disk with the drive. Discharge section incorporates branch pipe. Knives are arranged at an angle to radius, and directed opposite the sense of rotation of the spring. Intake section openings are arranged radially.

EFFECT: reduced poser consumption, simplified design and higher reliability.

2 dwg