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A Liquid Metering Device

Abstract: The present invention relates to a liquid metering device. The liquid metering device comprises a housing having an inlet and an outlet for allowing flow of liquid, said housing made of cylinder accommodating a piston assembled on a connecting rod and performing a linear motion; a crank shaft having an eccentric portions performing a rotary motion and a roller/s incorporated on the eccentric portion of the crank shaft providing operational contact between the crank shaft and the connecting rod; and a stopper provided on the housing for each cylinder such that the stopper restricts the movement of the connecting rod before the connecting rod butts against the roller completing the stroke. This results in increase life of the liquid metering device and also delivers set value of the volume for a long duration.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
03 October 2005
Publication Number
32/2007
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2017-01-25
Renewal Date

Applicants

LARSEN & TOUBRO LIMITED
L&T House, Ballard Estate, Mumbai - 400 001,

Inventors

1. KHANOLKAR MANDAR DEODATTA
Petrol Pump Design & Development Department, Larsen & Toubro Limited, 'C' Building, 1st Floor, Gate No. :1, Saki Vihar Road, Powai (West), Mumbai - 400 072,
2. PATHIYIL RAJIV SHANKAR
Petrol Pump Design & Development Department, Larsen & Toubro Limited, 'C' Building, 1st Floor, Gate No. :1, Saki Vihar Road, Powai (West), Mumbai - 400 072,

Specification

The present invention relates to a liquid metering device. The liquid metering device comprises a housing having an inlet and an outlet for allowing flow of liquid, said housing made of cylinder accommodating a piston assembled on a connecting rod and performing a linear motion; a crank shaft having an eccentric portions performing a rotary motion and a roller/s incorporated on the eccentric portion of the crank shaft providing operational contact between the crank shaft and the connecting rod; and a stopper provided on the housing for each cylinder such that the stopper restricts the movement of the connecting rod before the connecting rod butts against the roller completing the stroke. This results in increase life of the liquid metering device and also delivers set value of the volume for a long duration.

Documents

Orders

Section Controller Decision Date

Application Documents

# Name Date
1 1244-MUM-2005-ABSTRACT(23-8-2013).pdf 2018-08-09
1 1244-MUM-2005-POWER OF ATTORNEY(22-11-2005).pdf 2005-11-22
2 1244-mum-2005-abstract.doc 2018-08-09
2 1244-MUM-2005-FORM 1(22-11-2005).pdf 2005-11-22
3 1244-MUM-2005-CORRESPONDENCE(22-11-2005).pdf 2005-11-22
3 1244-mum-2005-abstract.pdf 2018-08-09
4 1244-MUM-2005-CORRESPONDENCE(IPO)-(FER)-(11-01-2013).pdf 2013-01-11
4 1244-MUM-2005-ANNEXURE(20-9-2013).pdf 2018-08-09
5 1244-MUM-2005-CORRESPONDENCE(IPO)-(HEARING NOTICE)-(11-12-2015).pdf 2015-12-11
5 1244-MUM-2005-CLAIMS(AMENDED)-(23-8-2013).pdf 2018-08-09
6 HEARING ADJOURNMENT [27-10-2016(online)].pdf 2016-10-27
7 Form 26 [02-11-2016(online)].pdf 2016-11-02
7 1244-mum-2005-claims.pdf 2018-08-09
8 HEARING ADJOURNMENT [01-12-2016(online)].pdf 2016-12-01
8 1244-MUM-2005-CORRESPONDENCE(19-9-2008).pdf 2018-08-09
9 1244-MUM-2005-CORRESPONDENCE(20-9-2013).pdf 2018-08-09
9 Other Patent Document [23-01-2017(online)].pdf 2017-01-23
10 1244-MUM-2005-Correspondence-021116.pdf 2018-08-09
10 Marked Copy [23-01-2017(online)].pdf 2017-01-23
11 1244-mum-2005-correspondence-received-ver-031005.pdf 2018-08-09
11 Form 26 [23-01-2017(online)].pdf 2017-01-23
12 1244-mum-2005-correspondence-received.pdf 2018-08-09
12 Form 13 [23-01-2017(online)].pdf 2017-01-23
13 1244-mum-2005-description (complete).pdf 2018-08-09
13 Description(Complete) [23-01-2017(online)].pdf_180.pdf 2017-01-23
14 1244-mum-2005-drawings.pdf 2018-08-09
14 Description(Complete) [23-01-2017(online)].pdf 2017-01-23
15 1244-MUM-2005-FORM 18(19-9-2008).pdf 2018-08-09
15 abstract1.jpg 2018-08-09
16 1244-MUM-2005_EXAMREPORT.pdf 2018-08-09
16 1244-mum-2005-form-1.pdf 2018-08-09
17 1244-MUM-2005-REPLY TO EXAMINATION REPORT(23-8-2013).pdf 2018-08-09
18 1244-mum-2005-form-2.pdf 2018-08-09
18 1244-MUM-2005-Power of Attorney-021116.pdf 2018-08-09
19 1244-mum-2005-form-3.pdf 2018-08-09
19 1244-MUM-2005-ORIGINAL UNDER RULE 6(1A)-OTHERS-230117.pdf 2018-08-09
20 1244-mum-2005-form-5.pdf 2018-08-09
20 1244-MUM-2005-MARKED COPY(23-8-2013).pdf 2018-08-09
21 1244-mum-2005-form-5.pdf 2018-08-09
21 1244-MUM-2005-MARKED COPY(23-8-2013).pdf 2018-08-09
22 1244-mum-2005-form-3.pdf 2018-08-09
22 1244-MUM-2005-ORIGINAL UNDER RULE 6(1A)-OTHERS-230117.pdf 2018-08-09
23 1244-MUM-2005-Power of Attorney-021116.pdf 2018-08-09
23 1244-mum-2005-form-2.pdf 2018-08-09
24 1244-MUM-2005-REPLY TO EXAMINATION REPORT(23-8-2013).pdf 2018-08-09
25 1244-mum-2005-form-1.pdf 2018-08-09
25 1244-MUM-2005_EXAMREPORT.pdf 2018-08-09
26 1244-MUM-2005-FORM 18(19-9-2008).pdf 2018-08-09
26 abstract1.jpg 2018-08-09
27 1244-mum-2005-drawings.pdf 2018-08-09
27 Description(Complete) [23-01-2017(online)].pdf 2017-01-23
28 1244-mum-2005-description (complete).pdf 2018-08-09
28 Description(Complete) [23-01-2017(online)].pdf_180.pdf 2017-01-23
29 1244-mum-2005-correspondence-received.pdf 2018-08-09
29 Form 13 [23-01-2017(online)].pdf 2017-01-23
30 1244-mum-2005-correspondence-received-ver-031005.pdf 2018-08-09
30 Form 26 [23-01-2017(online)].pdf 2017-01-23
31 1244-MUM-2005-Correspondence-021116.pdf 2018-08-09
31 Marked Copy [23-01-2017(online)].pdf 2017-01-23
32 1244-MUM-2005-CORRESPONDENCE(20-9-2013).pdf 2018-08-09
32 Other Patent Document [23-01-2017(online)].pdf 2017-01-23
33 1244-MUM-2005-CORRESPONDENCE(19-9-2008).pdf 2018-08-09
33 HEARING ADJOURNMENT [01-12-2016(online)].pdf 2016-12-01
34 1244-mum-2005-claims.pdf 2018-08-09
34 Form 26 [02-11-2016(online)].pdf 2016-11-02
35 HEARING ADJOURNMENT [27-10-2016(online)].pdf 2016-10-27
36 1244-MUM-2005-CLAIMS(AMENDED)-(23-8-2013).pdf 2018-08-09
36 1244-MUM-2005-CORRESPONDENCE(IPO)-(HEARING NOTICE)-(11-12-2015).pdf 2015-12-11
37 1244-MUM-2005-CORRESPONDENCE(IPO)-(FER)-(11-01-2013).pdf 2013-01-11
37 1244-MUM-2005-ANNEXURE(20-9-2013).pdf 2018-08-09
38 1244-MUM-2005-CORRESPONDENCE(22-11-2005).pdf 2005-11-22
38 1244-mum-2005-abstract.pdf 2018-08-09
39 1244-MUM-2005-FORM 1(22-11-2005).pdf 2005-11-22
40 1244-MUM-2005-POWER OF ATTORNEY(22-11-2005).pdf 2005-11-22
40 1244-MUM-2005-ABSTRACT(23-8-2013).pdf 2018-08-09

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