Patent · US Active

Dry product additive unit

US11713633B2 · kind B2 · utility

0Cited by

5References

19Claims

0Family size

Assignee

STEWART & STEVENSON LLC · US

Inventors

Jeff Smith · San Francisco, US
Brian Sharp · Houston, US
Mark John Payne · Gosford, AU

Key dates

Filing date	Jul 28, 2021
Grant date	Aug 1, 2023
Priority date	—
Expiry date	Jul 28, 2041

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B21/08
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A dry product additive system includes a skid, a hopper, a pickup funnel, a feeder system, a supply pump, and an eductor assembly. The feeder system may be configured to transport product from the hopper to the pickup funnel. The eductor assembly including a suction inlet, a motive inlet, and an outlet. The suction inlet may be coupled to the pickup funnel by a suction hose. The motive inlet may be coupled to the supply pump by a motive fluid hose.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.