GB1249313A – Improvements relating to metering or relay valves for fluids
– Google Patents
GB1249313A – Improvements relating to metering or relay valves for fluids
– Google Patents
Improvements relating to metering or relay valves for fluids
Info
Publication number
GB1249313A
GB1249313A
GB2667268A
GB2667268A
GB1249313A
GB 1249313 A
GB1249313 A
GB 1249313A
GB 2667268 A
GB2667268 A
GB 2667268A
GB 2667268 A
GB2667268 A
GB 2667268A
GB 1249313 A
GB1249313 A
GB 1249313A
Authority
GB
United Kingdom
Prior art keywords
lever
piston
closure member
spring
valve
Prior art date
1968-06-05
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.)
Expired
Application number
GB2667268A
Inventor
Glyn Phillip Reginald Farr
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.)
Girling Ltd
Original Assignee
Girling Ltd
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.)
1968-06-05
Filing date
1968-06-05
Publication date
1971-10-13
1968-06-05
Application filed by Girling Ltd
filed
Critical
Girling Ltd
1968-06-05
Priority to GB2667268A
priority
Critical
patent/GB1249313A/en
1971-10-13
Publication of GB1249313A
publication
Critical
patent/GB1249313A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
B—PERFORMING OPERATIONS; TRANSPORTING
B60—VEHICLES IN GENERAL
B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
B60T11/108—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic to a trailer fluid system
B—PERFORMING OPERATIONS; TRANSPORTING
B60—VEHICLES IN GENERAL
B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
B60T11/28—Valves specially adapted therefor
B—PERFORMING OPERATIONS; TRANSPORTING
B60—VEHICLES IN GENERAL
B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
B60T13/141—Systems with distributor valve
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
F15B2211/00—Circuits for servomotor systems
F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
F15B2211/00—Circuits for servomotor systems
F15B2211/40—Flow control
F15B2211/405—Flow control characterised by the type of flow control means or valve
F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
F15B2211/00—Circuits for servomotor systems
F15B2211/40—Flow control
F15B2211/455—Control of flow in the feed line, i.e. meter-in control
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
F15B2211/00—Circuits for servomotor systems
F15B2211/50—Pressure control
F15B2211/505—Pressure control characterised by the type of pressure control means
F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
F15B2211/00—Circuits for servomotor systems
F15B2211/50—Pressure control
F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control valve
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
F15B2211/00—Circuits for servomotor systems
F15B2211/50—Pressure control
F15B2211/52—Pressure control characterised by the type of actuation
F15B2211/521—Pressure control characterised by the type of actuation mechanically
F15B2211/523—Pressure control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
F15B2211/00—Circuits for servomotor systems
F15B2211/50—Pressure control
F15B2211/52—Pressure control characterised by the type of actuation
F15B2211/528—Pressure control characterised by the type of actuation actuated by fluid pressure
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
F15B2211/00—Circuits for servomotor systems
F15B2211/50—Pressure control
F15B2211/57—Control of a differential pressure
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
F15B2211/00—Circuits for servomotor systems
F15B2211/60—Circuit components or control therefor
F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
Abstract
1,249,313. Fluid-pressure brakes; valves. GIRLING Ltd. 5 June, 1969 [5 June, 1968], No. 26672/68. Headings F2F and F2V. A relay valve for a braking system comprises a housing 10 having inlet, exhaust and outlet ports 13, 15 (12, Fig. 2, not shown), communicating with a chamber 11. The inlet and exhaust ports are provided with valves 14, 17; 16, 18 which are operated by a lever 19 in such a manner that each valve closure member 17, 18 when in its closed position acts as a fulcrum for the lever 19 when the other closure member is opened. A control piston 22 acted on by the pressure in the chamber 11 in one direction and by a control force in the opposite direction actuates the lever. In the construction shown the control force is applied to the control piston through a piston 32 and pivoted lever 42, the pivot point of the lever 42 and the effective length of the piston 32 being variable. The lever 42 may also be manually actuated. The closure member 17 of the valve 14, 17 is spring-loaded through the lever 19 and the piston 22 is also provided with a spring loading. The spring loadings may be varied. The closure member 18 is either attached to the lever or made integral therewith.
GB2667268A
1968-06-05
1968-06-05
Improvements relating to metering or relay valves for fluids
Expired
GB1249313A
(en)
Priority Applications (1)
Application Number
Priority Date
Filing Date
Title
GB2667268A
GB1249313A
(en)
1968-06-05
1968-06-05
Improvements relating to metering or relay valves for fluids
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB2667268A
GB1249313A
(en)
1968-06-05
1968-06-05
Improvements relating to metering or relay valves for fluids
Publications (1)
Publication Number
Publication Date
GB1249313A
true
GB1249313A
(en)
1971-10-13
Family
ID=10247363
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB2667268A
Expired
GB1249313A
(en)
1968-06-05
1968-06-05
Improvements relating to metering or relay valves for fluids
Country Status (1)
Country
Link
GB
(1)
GB1249313A
(en)
1968
1968-06-05
GB
GB2667268A
patent/GB1249313A/en
not_active
Expired
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