Global Patent Index - EP 0271456 A2

EP 0271456 A2 19880615 - Delivery controlling device for variable delivery piston pumps.

Title (en)

Delivery controlling device for variable delivery piston pumps.

Title (de)

Förderstromsteuergerät für Kolbenpumpen mit variabler Förderung.

Title (fr)

Appareil de commande de débit pour des pompes à piston à débit variable.

Publication

EP 0271456 A2 19880615 (EN)

Application

EP 87830429 A 19871203

Priority

IT 4872686 A 19861210

Abstract (en)

A device for adjusting the delivery of a pump for metering liquid products, particularly in agriculture, to be applied in precisely delivered dosed amounts, comprises an excentric bearing driving shaft (3), on which a cam (16) is mounted in an excentrically offset manner, the excentricity of which can be controlled by means of a gear driven by an operator through a control wheel (7), so that the parts with an excentric motion are reduced in number and a precise metering is ensured in view of a full turn of the wheel (7) varying the pump delivery from a minimum to a maximum.

IPC 1-7

F04B 9/04; F04B 49/00; F16H 21/20

IPC 8 full level

F04B 49/12 (2006.01)

CPC (source: EP US)

F04B 49/126 (2013.01 - EP US)

Designated contracting state (EPC)

FR GB NL

DOCDB simple family (publication)

EP 0271456 A2 19880615; EP 0271456 A3 19891213; EP 0271456 B1 19920513; IT 1199304 B 19881230; IT 8648726 A0 19861210

DOCDB simple family (application)

EP 87830429 A 19871203; IT 4872686 A 19861210