GAS SUPPLY PUMP FOR SHIP DUAL FUEL ENGINE - HYUN DAI HEAVY IND CO LTD

Title:

GAS SUPPLY PUMP FOR SHIP DUAL FUEL ENGINE

Document Type and Number:

WIPO Patent Application WO/2021/246712

Kind Code:

A1

Abstract:

The present invention relates to a gas supply pump for a ship dual fuel engine capable of independently driving a cylinder, and a gas supply pump for a ship dual fuel engine according to the present invention comprises: a camshaft which can be rotated; a plurality of cam noses provided at regular intervals in a lengthwise direction of the camshaft and having an eccentric shape from the center of the camshaft; a cam roller provided to be in close contact with each cam nose; and a drive shaft and a piston provided to neighbor with one side of the cam roller; and a liquefied gas compression device which pressurizes and exhausts a liquefied gas according to a straight reciprocation of the piston, wherein when the camshaft is rotated, the piston compresses gas when the cam nose moves in a compression direction of the piston, the compression by the piston is released when the cam nose moves in the decompression direction of the piston, the cam roller can be selectively spaced apart from the cam nose, and the rotational driving force of the cam nose is not transferred to the piston when the cam roller and the cam nose are spaced apart from each other.

Inventors:

LEE SANG DON (KR)
LEE CHANG HA (KR)
PARK TAE HYUNG (KR)
KIM TAE SOO (KR)
SONG YOUNG SEOK (KR)

Application Number:

PCT/KR2021/006580

Publication Date:

December 09, 2021

Filing Date:

May 27, 2021

Export Citation:

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Assignee:

HYUN DAI HEAVY IND CO LTD (KR)

International Classes:

F04B9/04; F04B9/109; F04B49/08; F04B53/14; F04B53/18

Foreign References:

KR0107197Y1	1997-09-30
KR20110094815A	2011-08-24
JP2015124670A	2015-07-06
KR20130039032A	2013-04-19
KR20180093403A	2018-08-22
KR20180093403A	2018-08-22

Other References: