Multiple head dosing arm device, system and method

Patent metadata

Field	Value
Publication number	US-2019383444-A1
Application number	US-201916553963-A
Country	US
Kind code	A1
Filing date	Aug 28, 2019
Priority date	Oct 19, 2016
Publication date	Dec 19, 2019
Grant date	—

Abstract

A doser for dispensing a cryogenic fluid includes a doser body configured to receive the cryogenic fluid. A dosing arm has a proximal end and a distal end, with a central passage extending between the proximal and distal ends and configured to receive cryogenic fluid from the doser body. Multiple dosing heads are mounted to the distal end of the dosing arm with each of the dosing heads including a dosing valve. The dosing heads are configured to receive cryogenic fluid from the central passage of the dosing arm and to dispense the cryogenic fluid when the dosing valve is opened.

First claim

What is claimed is:

1 . A doser for dispensing a cryogenic fluid comprising:
a. a doser body configured to receive the cryogenic fluid; b. a dosing arm having a proximal end and a distal end, said dosing arm having a central passage extending between the proximal and distal ends and configured to receive cryogenic fluid from the doser body; c. a plurality of dosing heads mounted to the distal end of the dosing arm with each of the plurality of dosing heads including a dosing valve and configured to receive cryogenic fluid from the central passage of the dosing arm and to dispense the cryogenic fluid when the dosing valve is opened.

2 . The doser of claim 1 wherein the proximal end of the insulated dosing arm is removably attached to the doser body.

3 . The doser of claim 2 further comprising a bayonet connection removably connecting the proximal end of the dosing arm to the doser body.

4 . the doser of claim 2 wherein the dosing arm proximal end includes a female bayonet connector.

5 . The doser of claim 2 further comprising an outlet fitting in fluid communication with the doser body, said outlet fitting provided with a male bayonet connector having an insertion stem removably positioned within the central passage of the dosing arm.

6 . The doser of claim 1 wherein the doser body includes an doser body outer jacket and an inner tank positioned within the doser body outer jacket so that a doser body insulation space is defined therebetween, said space generally evacuated of air.

7 . The doser of claim 1 wherein the cryogenic fluid is liquid nitrogen.

8 . The doser of claim 1 wherein the dosing arm is insulated.

9 . The doser of claim 1 wherein the proximal end of the dosing arm is fixedly attached to a side of the dosing body.

10 . The doser of claim 1 wherein the proximal end of the dosing arm is fixedly secured to a bottom of the dosing body.

11 . The doser of claim 1 wherein each of the dosing heads is provided with an actuator for opening and closing the dosing valve.

12 . A dosing arm comprising a proximal end and a distal end and a central passage extending between the proximal and distal ends that is configured to receive a cryogenic fluid and a plurality of dosing heads mounted to the distal end with each of the plurality of dosing heads including a dosing valve and configured to receive cryogenic fluid from the central passage and to dispense the cryogenic fluid when the dosing valve is opened.

13 . The dosing arm of claim 12 further comprising:
a. a dosing arm outer jacket;
b. a dosing arm inner pipe positioned within the dosing arm outer jacket and having the central passage;
c. a dosing arm sleeve connected to the dosing arm outer jacket and inner pipe at a proximal end of the dosing arm so that a sealed annular space is defined therebetween, said annular space generally evacuated of air.

14 . A method of dosing a plurality of receptacles with a cryogenic liquid comprising the steps of:
a. storing a supply of the cryogenic liquid in a doser body; b. directing a stream of the cryogenic liquid through a central passage of a single dosing arm to a plurality of dosing heads, each of the plurality of dosing heads including a dosing valve; c. positioning the plurality of receptacles under the plurality of dosing heads; d. selectively opening and closing the dosing valves of the plurality of dosing heads.

15 . The method of claim 14 wherein the dosing valves of the plurality of dosing heads are opened and closed so as to dose independently of one another.

16 . The method of claim 14 wherein the dosing valves of the plurality of dosing heads are opened and closed so as to dose simultaneously.

Assignees

• Chart Inc

Inventors

• Jones Bryson Tyler
• Rybak Paul Kunst
• Bobo Shannon

Classifications

• F17C2201/054

  medium (>1 m3) · CPC title

• F17C2250/032

  using computers · CPC title

• F17C2205/018

  Supporting feet · CPC title

• F17C2223/033

  Small pressure, e.g. for liquefied gas · CPC title

• F17C2201/0109

  with exteriorly curved end-piece · CPC title