Pump Assembly
where here in Texas can i find a feul pump assembly for a 97 Douge 1/2 ton 2 wheel dr. 5.9 8 cy complete?
need one at a reasonable price
try auto zone
...
Pump Assembly
where here in Texas can i find a feul pump assembly for a 97 Douge 1/2 ton 2 wheel dr. 5.9 8 cy complete?
One of the do it yourself tasks of a car owner that may occur might be replacing a fuel pump. Generally speaking, most vehicles today have electric fuel pumps located inside the fuel tank so that is the example used here.
On most cars the fuel tank is located under the car just behind the rear wheels. The ideal situation would be to have the fuel pump malfunction when the tank is almost empty, but, it seems that almost never happens. First things first; disconnect the negative battery cable. Next, if the tank contains very much fuel, you may want to drain it. It will make it easier to work with. Now, you will need to raise the car. When jacking up the car, be sure the opposite wheels are blocked to prevent rolling. Support the car with blocks or jack stands. Do not work under the car when it is supported only by the jack. Now that the car is up high enough and supported safely you can start to loosen the bolts that support the tank. Usually, there are two straps that hold the tank and the straps are held by one bolt each.
As the tank starts to loosen from its nest, look for the fuel lines and wires that will run up over the top of the tank. You will also need something to support the tank so that it does not drop from the car onto the ground. A transmission jack is great but most people do not have one sitting around. One alternative is a wide board against the tank and a regular floor jack. As the tank is lowered, slowly disconnect the fuel lines and wires. Then remove the tank from under the car.
Clean all dirt and debris from the top of the tank. The round ring somewhere near the center on most tanks is where the fuel pump is located. There will be a locking ring that holds that assembly in place. Once the locking ring is removed, carefully remove the assembly from the tank. Take care to notice the orientation of the pump and strainer.
Replacing the fuel pump will be in the reverse order of disassembly. Be sure the seal is in place on the assembly as you lock the unit back into the tank.
About the Author
Bond Mejeh produces automotive related articles for Quick Cash Auto, a cash for cars service. Quick Cash Auto not only buys pre-owned vehicles of any year, make or model, but they also provide numerous articles about vehicle repair and automotive news.
Please visit QuickCashAuto.com for more information and be sure to check out our automotive blog.
Are there good opportunities for mobile food vendors in Gulf port Mississippi?
I own a very nice 30 FT mobile kitchen fully equipt. All stainless steel nsf approved commercial appliances. wish to set up for two week intervals. Menu could be anything from real BBQ Too fish plates and any thing inbetween.
I think it should be good....even if you can find a spot in downtown memphis...that will be great.
Good luck...Now go make some yummy food.
Stainless Steel Metal Hose is especially designed to correct piping, tubing or connecting problems i.e. Vibration, Temperature Extremes, Vacuum, Misalignment, High Pressures, Offset Motion, Pressure Loss Compensation, Permeation, Chemical, and Abrasion. Stainless steel wire braid on the hose provides the hose with higher internal pressure capability by acting as a restraint against hose elongation and dampens vibration without significant loss of flexibility.
A second layer of braid (SS2) may be used to increase pressure rating provided the test pressure is not exceeded. This can result in permanent corrugation deformation.
There are many kinds of stainless steel metal hoses in the market such as- - Annular Corrugated Stainless Steel Hose - Helical Corrugated Stainless Steel Hose - Braided Hose - Metal Corrugated Hoses - S.S Metallic Hose - Metallic Strip Wound Hoses - Metallic Lock Wound Hoses - Flexible Metal/Hydraulic Hoses: They are highly flexible, precisely designed and durable. Offered in differed sizes, these are manufactured using high grade raw material. - PTFE Convoluted Flexible Hoses: PTFE convoluted flexible hoses made from synthesized smooth inner core resin with AISI 304 stainless steel wire braid reinforcement. The PFTE hoses can withstand temperatures of -60C - +260C - Flexible Hose Assemblies - Stainless Steel Hoses: These stainless steel flexible hoses that we offer conform to BS 6501 Part-1 and are manufactured as per Type A, B and C flexibility. - Hoses and Bellows: Stainless steel hoses and bellow are offered from 6 mm (1/4) to 300 mm (12). The annular corrugated food grade hose body provides the flexibility and pressure tight core of the assembly. - Lance Hose: With a vast industry experience, we have gained immense domain expertise in offering Lance Hose, which is widely renowned for good performance in adverse and hostile conditions. Flexible Metallic Hose: Precision designed, these hoses offer anti-oil performance by covering a ply of fluorine in the inner layer. - Braided Hydraulic Hoses: Export high quality braided hydraulic hoses that are precision engineered and are made from tough and resistant synthetic rubber and steel wire that has high tensile strength. - Stainless Steel Braid: When pressure is applied, upbraided corrugated hose tends to elongate axially. To restrain this, an external layer of SS wire braid is provided. Sometimes two or even three layers of braiding are provided for high pressure applications. - Corrugated Flexible Hoses: These hoses are known for providing flexibility and pressure tight core of the entire assembly. We offer this durable product in different shapes and sizes. - Corrugated Flexible Metal Hoses - Interlock Hoses - Stainless Steel Interlock metal hose is made from a casing that is helically wound preformed metal strip into a fully interlocked profile. The flats are formed by a polygonal mandrel, which gives the hose anti torsion properties. Interlock will not unwind when cut because of the flats built into the wall. Some common uses for Interlock hose holds -Air Intake, Automotive Exhaust, Cable Armor, Engine, Exhaust, Gas and Fume Exhaustion, Air Vacuum and Air Ventilation. Finally we can say that Stainless Steel hoses are very useful and it has variety.
About the Author
Jessie Cline is the Director of Marketing Hose in a Hurry and has been industry over 20 years. With his knowledge and experience with custom built stainless steel braided hose he is able to meet the needs of customers. When you are ready to choose your hydraulic hose take a look at Hose in a Hurry.
Why does siemens steam turbine have 2 HP inlet control valves but Alstom's have only 1 inlet control valve?
What are the advantage of having 2 HP inlet control valves?
In certain self-regulating closed loop steam turbine systems, it may be desirable to divert some input to a sensor array of some sort, then feed the input back into the system without interruption.
You could do this with one control valve of course by using a splitter, but you then lose the extra options of running without sensors or running only with steam that passes through them.
From a common sense point of view it probably cost siemens only a few $ to install the extra valve, but it makes many other applications possible.
For examples- a reserve inlet, nested turbine systems, various testing or proving regimens, sensor calibration (by devoting one inlet to a control sample of known properties) and suchlike.
The present invention generally relates to control valves and, more particularly, relates to a control valve capable of reducing the energy consumption therefore.
BACKGROUND OF THE INVENTION
As is well known in the art, control valves have frequently been used to control and supply a working fluid, such as air, to a working device. Typically, these control valves employ a moveable valve spool disposed in a valve housing. The valve housing includes a plurality of fluid passages that are selectively interconnected in response to movement of the valve spool so as to control the flow of the fluid and, thus, the output of the control valve.
Conventional control valves often employ a solenoid valve mounted thereto for actuating the valve spool. The solenoid valve is controlled via an electrical input signal between a first position, where the solenoid valve is de-energized so as to close a fluid passage between an input pilot pressure and an output controlling pressure, and a second position, where the solenoid is energized via the electrical input so as to open a passageway between the input pilot pressure and the output controlling pressure.
It should be readily appreciated to one skilled in the art that in order to apply a constant controlling pressure, the electrical control signal must continue to energize the solenoid valve. That is, in order for a conventional control valve to maintain the spool in a predetermined position, it is necessary to maintain a constant control pressure upon one side of the spool. Therefore, in order to maintain this constant control pressure on the spool, it is necessary to maintain the solenoid valve in an opened and, thus, energized state. Moreover, it is necessary to employ full line fluid pressure to actuate the spool into the predetermined positions. Therefore, it should be understood that if it is preferred that the control valve be in this predetermined position for fluid output, electrical energy consumption to drive compressors to supply full line pressure will increase.
Accordingly, there exists a need in the relevant art to provide a control valve capable of producing an output of working fluid to be used with a conventional working device that is capable of minimizing the energy consumed during actuation. Furthermore, there exists a need in the relevant art to provide a control valve that maintains the position of a control element at a pressure less than full line pressure. Still further, there exists a need in the relevant art to overcome the disadvantages of the prior art.
SUMMARY OF THE INVENTION
A control valve system having an advantageous construction is provided. The control valve system includes a slidable valve positionable in a first position, where fluid communication is established between the inlet and the first output; a second position, where fluid communication is established between the inlet and the second output; and a third position, where fluid communication is prevented between the inlet and the first or second output. A solenoid valve assembly is coupled in fluid communication with the inlet and is positionable in an actuated position, where fluid communication is established with the inlet to move the valve from the first position to the second position, and a deactuated position. A feedback passage extends between the first output and the valve so as to position the valve in the third position in response to fluid pressure within the first output.
Further areas of applicability of the present invention will become apparent from the detailed description provided hereinafter. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
BRIEF DESCRIPTION OF THE DRAWINGS
The present invention will become more fully understood from the detailed description and the accompanying drawings, wherein:
FIG. 1 is a cross-sectional view of a control valve system according to a first embodiment of the present invention illustrated in a normal operation mode where the solenoid valve assembly is energized;
FIG. 2 is a cross-sectional view illustrating the control valve system of FIG. 1 wherein the solenoid valve assembly is de-energized;
FIG. 3 is a cross-sectional view illustrating the control valve system of FIG. 1 being maintained in a predetermined position while the solenoid valve assembly remains de-energized and the valve spool is in an equilibrium position;
FIG. 4 is a circuit diagram illustrating the control valve system according to the first embodiment of the present invention;
FIG. 5 is a cross-sectional view of a control valve system according to a second embodiment of the present invention illustrated in an initial position where the first and second solenoid valve assemblies are de-energized and the piston is stationary;
FIG. 6 is a cross-sectional view illustrating the control valve system of FIG. 5 wherein the first solenoid valve assembly is energized and the second solenoid valve assembly is de-energized;
FIG. 7 is a cross-sectional view illustrating the control valve system of FIG. 5 wherein the first and second solenoid valve assemblies are de-energized and the piston continues to extend;
FIG. 8 is a cross-sectional view illustrating the control valve system of FIG. 5 wherein the first solenoid valve assembly is de-energized and the second solenoid valve assembly is energized;
FIG. 9 is a cross-sectional view illustrating the control valve system of FIG. 5 wherein the first and second solenoid valve assemblies are de-energized and the piston continues to retract;
FIG. 10 is a cross-sectional view illustrating the control valve system of FIG. 5 wherein the first and second solenoid valve assemblies are de-energized and the piston is stationary;
FIG. 11 is a circuit diagram illustrating the control valve system according to the second embodiment of the present invention;
FIG. 12 is a circuit diagram of a control valve system according to a third embodiment of the present invention illustrated in an initial position where the solenoid valve assembly is de-energized and the piston is stationary;
FIG. 13 is a schematic diagram illustrating the feedback passage being disposed externally from the housing; and
FIG. 14 is a schematic diagram illustrating the feedback passage being disposed internally in the housing.
The description of the solenoid valve invention is merely exemplary in nature and, thus, variations that do not depart from the gist of the invention are intended to be within the scope of the invention. Such variations are not to be regarded as a departure from the spirit and scope of the invention.
About the Author
Ningbo Lida Pneumatic Complete Sets Co.,Ltd. specializing pneumatic components,solenoid valve,air cylinder & pneumatic fittings that these are inexpensive.It has with more than 15years.
