AU555253B2 - Creation of Inventions and Patents with Artificial Intelligence

AU555253B2 – Temperature compensated differential pressure indicating device
– Google Patents

AU555253B2 – Temperature compensated differential pressure indicating device
– Google Patents
Temperature compensated differential pressure indicating device

Info

Publication number
AU555253B2

AU555253B2
AU79578/82A
AU7957882A
AU555253B2
AU 555253 B2
AU555253 B2
AU 555253B2
AU 79578/82 A
AU79578/82 A
AU 79578/82A
AU 7957882 A
AU7957882 A
AU 7957882A
AU 555253 B2
AU555253 B2
AU 555253B2
Authority
AU
Australia
Prior art keywords
differential pressure
indicating device
temperature compensated
pressure indicating
compensated differential
Prior art date
1981-02-09
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Ceased

Application number
AU79578/82A
Other versions

AU7957882A
(en

Inventor
Robert Larry Crisp Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Purolator Products Co LLC

Original Assignee
Purolator Products Co LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
1981-02-09
Filing date
1982-01-18
Publication date
1986-09-18

1982-01-18
Application filed by Purolator Products Co LLC
filed
Critical
Purolator Products Co LLC

1982-08-19
Publication of AU7957882A
publication
Critical
patent/AU7957882A/en

1986-09-18
Application granted
granted
Critical

1986-09-18
Publication of AU555253B2
publication
Critical
patent/AU555253B2/en

2002-01-18
Anticipated expiration
legal-status
Critical

Status
Ceased
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

B—PERFORMING OPERATIONS; TRANSPORTING

B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

B01D—SEPARATION

B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 – B01D33/00, or for applications not specifically covered by groups B01D24/00 – B01D33/00; Auxiliary devices for filtration; Filter housing constructions

B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging

B01D35/143—Filter condition indicators

G—PHYSICS

G01—MEASURING; TESTING

G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE

G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values

G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements

G—PHYSICS

G01—MEASURING; TESTING

G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE

G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges

G01L19/08—Means for indicating or recording, e.g. for remote indication

G01L19/12—Alarms or signals

G—PHYSICS

G01—MEASURING; TESTING

G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE

G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means

G01L9/14—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means involving the displacement of magnets, e.g. electromagnets

H—ELECTRICITY

H01—ELECTRIC ELEMENTS

H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES

H01H35/00—Switches operated by change of a physical condition

H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow

H01H35/38—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by piston and cylinder

AU79578/82A
1981-02-09
1982-01-18
Temperature compensated differential pressure indicating device

Ceased

AU555253B2
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

US232485

1981-02-09

US06/232,485

US4426952A
(en)

1981-02-09
1981-02-09
Temperature compensated differential pressure indicating device

Publications (2)

Publication Number
Publication Date

AU7957882A

AU7957882A
(en)

1982-08-19

AU555253B2
true

AU555253B2
(en)

1986-09-18

Family
ID=22873307
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU79578/82A
Ceased

AU555253B2
(en)

1981-02-09
1982-01-18
Temperature compensated differential pressure indicating device

Country Status (8)

Country
Link

US
(1)

US4426952A
(en)

JP
(1)

JPS57160039A
(en)

AU
(1)

AU555253B2
(en)

CA
(2)

CA1176868A
(en)

DE
(1)

DE3204309A1
(en)

FR
(1)

FR2499716A1
(en)

GB
(1)

GB2092752B
(en)

IT
(1)

IT1149539B
(en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US4563906A
(en)

1983-11-23
1986-01-14
Camtech, Inc.
Load measurement apparatus including miniature instrumented hydrostatic cell

AU3423184A
(en)

1984-01-12
1985-07-18
Facet Enterprises Inc.
Temperature sensitive differential pressure indicating device

US4645887A
(en)

1985-12-02
1987-02-24
Facet Enterprises, Inc.
Pressure differential bypass sensor switch

DE3700593A1
(en)

1986-01-13
1987-07-16
Sharp Kk

ROTATION DEVELOPER

US4729339A
(en)

1986-04-21
1988-03-08
Facet Enterprises, Inc.
Pressure differential indicator with non-mechanical thermal lockout

US4867095A
(en)

1988-04-05
1989-09-19
Parker Hannifin Corporation
Differential pressure indicator

EP0456781B1
(en)

1989-10-31
1996-01-03
Le Bozec Et Gautier
Clogging indicator

FR2659141B1
(en)

1990-03-01
1994-03-25
Lebozec Gautier

CLOGGING INDICATOR.

GB2297620B
(en)

1995-02-06
1998-10-07
Pall Corp
Filter assemblies comprising differential pressure indicators

US20050284802A1
(en)

2004-06-23
2005-12-29
Jankuski George A
Filtering device with integral filter status indicator

Family Cites Families (8)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

FR1332150A
(en)

1963-12-16

US2942572A
(en)

1958-06-17
1960-06-28
Pall Corp
Magnetic pressure indicator

US3140690A
(en)

1963-12-04
1964-07-14
Pall Corp
Magnetic pressure indicator

GB1207866A
(en)

1964-09-25
1970-10-07
Puralator Inc
Differential fluid pressure indicator

US3529269A
(en)

1966-08-01
1970-09-15
William P Gardiner
Magnetic switch

GB1286808A
(en)

1968-10-14
1972-08-23
Btr Industries Ltd
Improvements in or relating to pressure indicating devices

US3785332A
(en)

1972-01-31
1974-01-15
Pall Corp
Magnetic pressure indicator

US3974795A
(en)

1975-06-18
1976-08-17
Facet Enterprises, Inc. Filter Products Division
Differential pressure indicating device

1981

1981-02-09
US
US06/232,485
patent/US4426952A/en
not_active
Expired – Lifetime

1982

1982-01-18
AU
AU79578/82A
patent/AU555253B2/en
not_active
Ceased

1982-01-28
CA
CA000395106A
patent/CA1176868A/en
not_active
Expired

1982-02-05
FR
FR8202273A
patent/FR2499716A1/en
active
Granted

1982-02-08
IT
IT19501/82A
patent/IT1149539B/en
active

1982-02-09
JP
JP57020652A
patent/JPS57160039A/en
active
Pending

1982-02-09
DE
DE19823204309
patent/DE3204309A1/en
active
Granted

1982-02-09
GB
GB8203632A
patent/GB2092752B/en
not_active
Expired

1982-03-31
CA
CA000400156A
patent/CA1176485A/en
not_active
Expired

Also Published As

Publication number
Publication date

FR2499716B1
(en)

1984-12-07

CA1176868A
(en)

1984-10-30

US4426952A
(en)

1984-01-24

FR2499716A1
(en)

1982-08-13

CA1176485A
(en)

1984-10-23

JPS57160039A
(en)

1982-10-02

DE3204309C2
(en)

1989-03-30

AU7957882A
(en)

1982-08-19

GB2092752A
(en)

1982-08-18

IT1149539B
(en)

1986-12-03

GB2092752B
(en)

1984-12-12

DE3204309A1
(en)

1982-09-30

IT8219501D0
(en)

1982-02-08

Contact information