EP 0197402 A3 19870805 - DEVICE FOR TRANSPORTING THICK MATTER SUSPENSIONS AND METHOD FOR ITS OPERATION

Title (en)

DEVICE FOR TRANSPORTING THICK MATTER SUSPENSIONS AND METHOD FOR ITS OPERATION

Publication

EP 0197402 A3 19870805 (DE)

Application

EP 86103935 A 19860322

Priority

DE 3512946 A 19850411

Abstract (en)

[origin: EP0197402A2] 1. Apparatus for conveying slurries, comprising at least two two-cylinder piston pumps, the cylinders of which can be connected by a valve alternately with the feed of the slurry and with the delivery pipe, and wherein both two cylinder piston pumps deliver into a common delivery pipe and the second two-cylinder piston pump operates displaced by a quarter-cycle in time from the first, characterized in that the inlet of the delivery pipes (10 and 12) of the two two-cylinder piston pumps (A and B) into the common delivery pipe (15) is effected by a pivoting flap valve (14).

IPC 1-7

F04B 15/02; F04B 7/00

IPC 8 full level

F04B 7/00 (2006.01); F04B 15/02 (2006.01)

CPC (source: EP)

F04B 7/0026 (2013.01); F04B 15/02 (2013.01)

Citation (search report)

[X] DE 3419054 A1 19850124 - BOYLE BEDE ALFRED [AU]
[A] DE 2909964 A1 19800925 - SCHWING GMBH F
[A] DE 2721678 A1 19771201 - ACKERMANN ROBERT AUDLEY, et al
[A] DE 1296524 B 19690529 - ROYAL INDUSTRIES

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0197402 A2 19861015; EP 0197402 A3 19870805; EP 0197402 B1 19900613; AT E53635 T1 19900615; AU 5604386 A 19861120; AU 587816 B2 19890831; CA 1281592 C 19910319; DE 3512946 A1 19861016; DE 3671939 D1 19900719; JP S61252876 A 19861110; ZA 862657 B 19861230

DOCDB simple family (application)

EP 86103935 A 19860322; AT 86103935 T 19860322; AU 5604386 A 19860411; CA 506435 A 19860411; DE 3512946 A 19850411; DE 3671939 T 19860322; JP 8244686 A 19860411; ZA 862657 A 19860409