PUMP GEAR DEVICE - BRAN & LUEBBE

Title:

PUMP GEAR DEVICE

Document Type and Number:

Japanese Patent JP2007002848

Kind Code:

A

Abstract:

To provide a compact pump gear device allowing easy access to individual cylinders and obtaining a short crank shaft.

The pump gear device 10 is provided with a piston 13 functionally connected to a connecting rod 15 supported on a part 14 bent in a crank shape of the crank shaft 12 and includes a plurality of syringes 11 provided around the crank shaft 12 with each shaft thereof keeping a predetermined angle Wz. Each connecting rod 15 is supported on the unique part 14 bent in the crank shape. The part 14 bent in the crank shape keeps the predetermined angle shift Wk. The angle shift Wk is selected to keep the same phase displacement between two pistons 13 of the syringes 11 of which the cylinder shafts match with the angles Wz that cylinder shafts mutually have, and which are mutually continuously operated at the time of the rotation of the crank shaft 12.

Inventors:

PETERSEN DIRK

Application Number:

JP2006175869A

Publication Date:

January 11, 2007

Filing Date:

June 26, 2006

Export Citation:

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Assignee:

BRAN & LUEBBE

International Classes:

F04B1/04; F04B1/047; F04B1/053; F04B9/04

Domestic Patent References:

JPH0349203U	1991-05-14
JPS55154379U	1980-11-07
JP2002372031A	2002-12-26
JPS6240277U	1987-03-10
JPS4936243Y1
JP2002227764A	2002-08-14
JP2004301075A	2004-10-28

Foreign References:

US20010011463A1	2001-08-09
US4264286A	1981-04-28

Attorney, Agent or Firm:

Tomijio Sasashima
Haruyuki Nishiyama
Moriaki Ogawa

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