US3741182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control valve
Assignee: Individual
•
Filing: 1971-02-08
•
Granted: 1973-06-26
•
Expires: 1991-02-08
Abstract
Abstract An improved control valve interposed in a fuel system, generally between a fuel pump and an engine, to bufferingly pass fuel therethrough from the fuel pump to the engine, in an operating position thereof, and to bypass fuel from the fuel pump to a fuel reservoir at a predetermined fuel pressure, in a bypass position thereof, thereby governing the maximum pressure of fuel being supplied to the engine injectors. The control valve basically comprises a valve body having a valve member slidingly disposed in a valve chamber formed in a portion of the valve body. The valve member is biased to an operating position and constructed such that the fuel pressure biases the valve member to a bypass position at a predetermined fuel pressure.
Inventors
- 👤 K Wade
- 👤 D Adcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:36
CPC Classifications
F; F02; F02D; F02D1/00; F02D2700/00; F02D2700/02; F02D2700/0269; F02D2700/0282; F02D2700/0297; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2617
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
485 words
A control valve interposed in a fuel system comprising: engine means; fuel pump means fluidically communicating with the engine means and supplying fuel thereto; fuel reservoir means fluidically communicating with the fuel pump means, the fuel pump means pumping fuel from the fuel reservoir means to the engine means; and control valve means interposed between the fuel pump means and the engine means, the control valve means comprising: housing means, having a housing bore formed therein, the housing bore in fluidic communication with the fuel pump means to receive fuel from the fuel pump means, a fuel passageway formed in a portion of the housing means intersecting the housing bore and fluidically communicating with the engine means, a bypass fuel passageway formed in a portion of the housing means intersecting the housing bore and fluidically communicating with the fuel reservoir means, a vent passageway formed in a portion of the housing means intersecting the housing bore and fluidically communicating with the fuel reservoir means; a valve body disposed in a portion of the housing bore, having a valve chamber formed therein, an inlet opening formed through a portion thereof providing communication between the housing bore and the valve chamber, an outlet opening formed through a portion thereof providing communication between the fuel passageway in the housing means and the valve chamber, a bypass opening formed through a portion of the valve body providing communication between the bypass fuel passageway in the housing means and the valve chamber, a vent opening formed through a portion of the valve body providing communication between a portion of the valve chamber and the vent passageway to vent fuel therethrough; a valve member slidingly disposed in the valve body having a valve passageway formed through a portion thereof providing fluidic communication between the inlet opening and the outlet opening of the valve body and a portion of the valve member interposed generally between the inlet opening and the bypass opening in one position of the valve member, the valve member slidable to one other portion interposing a portion of the valve member generally between the inlet opening and the outlet opening of the valve body and providing fluidic communication between the inlet opening and the bypass opening via the valve chamber, the fuel vented via the vent opening in communication with a portion of the valve chamber and the vent passageway preventing the valve member from becoming hydraulically locked; and bias means engaging a portion of the valve member and biasing the valve member to the one position in the valve body providing fluidic communication between the inlet opening and the outlet opening of the valve body, the fuel at a predetermined pressure level biasing the valve member against the biasing force of the bias means to the one other position in the valve body providing fluidic communication between the inlet opening and the bypass opening of the valve body.
Claim 2
Dependent Claim
485 words
A control valve interposed in a fuel system comprising: engine means; fuel pump means fluidically communicating with the engine means and supplying fuel thereto; fuel reservoir means fluidically communicating with the fuel pump means, the fuel pump means pumping fuel from the fuel reservoir means to the engine means; and control valve means interposed between the fuel pump means and the engine means, the control valve means comprising: housing means, having a housing bore formed therein, the housing bore in fluidic communication with the fuel pump means to receive fuel from the fuel pump means, a fuel passageway formed in a portion of the housing means intersecting the housing bore and fluidically communicating with the engine means, a bypass fuel passageway formed in a portion of the housing means intersecting the housing bore and fluidically communicating with the fuel reservoir means, a vent passageway formed in a portion of the housing means intersecting the housing bore and fluidically communicating with the fuel reservoir means; a valve body disposed in a portion of the housing bore, having a valve chamber formed therein, an inlet opening formed through a portion thereof providing communication between the housing bore and the valve chamber, an outlet opening formed through a portion thereof providing communication between the fuel passageway in the housing means and the valve chamber, a bypass opening formed through a portion of the valve body providing communication between the bypass fuel passageway in the housing means and the valve chamber, a vent opening formed through a portion of the valve body providing communication between a portion of the valve chamber and the vent passageway to vent fuel therethrough; a valve member slidingly disposed in the valve body having a valve passageway formed through a portion thereof providing fluidic communication between the inlet opening and the outlet opening of the valve body and a portion of the valve member interposed generally between the inlet opening and the bypass opening in one position of the valve member, the valve member slidable to one other portion interposing a portion of the valve member generally between the inlet opening and the outlet opening of the valve body and providing fluidic communication between the inlet opening and the bypass opening via the valve chamber, the fuel vented via the vent opening in communication with a portion of the valve chamber and the vent passageway preventing the valve member from becoming hydraulically locked; and bias means engaging a portion of the valve member and biasing the valve member to the one position in the valve body providing fluidic communication between the inlet opening and the outlet opening of the valve body, the fuel at a predetermined pressure level biasing the valve member against the biasing force of the bias means to the one other position in the valve body providing fluidic communication between the inlet opening and the bypass opening of the valve body.
Claim 3
Dependent Claim
39 words
The apparatus of claim 1 wherein the valve body is defined further to include, a portion engaging a portion of the housing means to position the valve body in an assembled position in a portion of the housing bore.
Claim 4
Dependent Claim
27 words
The apparatus of claim 1 defined further to include: seal means disposed between the housing means and the valve body to provide a fluid tight seal therebetween.
Claim 5
Dependent Claim
380 words
A control valve interposed in a fuel system comprising: engine means; fuel pump means fluidically communicating with the engine means and supplying fuel thereto; fuel reservoir means fluidically communicating with the fuel pump means, the fuel pump means pumping fuel from the fuel reservoir means to the engine means; and control valve means interposed between the fuel pump means and the engine means, the control valve means comprising: a valve body, having a valve chamber formed therein, an inlet opening formed through a portion thereof intersecting a portion of the valve chamber, an outlet opening formed through a portion thereof intersecting a portion of the valve chamber, a bypass opening formed through a portion thereof intersecting a portion of the valve chamber, and the inlet opening fluidically communicating with the fuel pump means, the outlet opening fluidically communicating with the engine means and the bypass opening fluidically communicating with the fuel reservoir means; a valve member slidingly disposed in the valve chamber, a valve passageway formed through a portion of the valve member providing fluidic communication between the inlet opening and the outlet opening of the valve body and a portion of the valve member interposed generally between the inlet opening and the bypass opening of the valve body in one position of the valve member, the valve member slidable to one other position interposing a portion of the valve member generally between the inlet opening and the outlet opening of the valve body and providing fluidic communication between the inlet opening and the bypass opening via the valve chamber, the valve member providing fluidic communication between not more than any two of the inlet opening, the outlet opening and the bypass opening via the valve chamber in any one position of the valve member during the operation thereof; and bias means engaging a portion of the valve member and biasing the valve member to the one position in the valve body providing fluidic communication between the inlet opening and the outlet opening of the valve body, the fuel at a predetermined pressure level biasing the valve member against the biasing force of the bias means to the one other position in the valve body providing fluidic communication between the bypass opening and the inlet opening of the valve body.
Claim 6
Dependent Claim
380 words
A control valve interposed in a fuel system comprising: engine means; fuel pump means fluidically communicating with the engine means and supplying fuel thereto; fuel reservoir means fluidically communicating with the fuel pump means, the fuel pump means pumping fuel from the fuel reservoir means to the engine means; and control valve means interposed between the fuel pump means and the engine means, the control valve means comprising: a valve body, having a valve chamber formed therein, an inlet opening formed through a portion thereof intersecting a portion of the valve chamber, an outlet opening formed through a portion thereof intersecting a portion of the valve chamber, a bypass opening formed through a portion thereof intersecting a portion of the valve chamber, and the inlet opening fluidically communicating with the fuel pump means, the outlet opening fluidically communicating with the engine means and the bypass opening fluidically communicating with the fuel reservoir means; a valve member slidingly disposed in the valve chamber, a valve passageway formed through a portion of the valve member providing fluidic communication between the inlet opening and the outlet opening of the valve body and a portion of the valve member interposed generally between the inlet opening and the bypass opening of the valve body in one position of the valve member, the valve member slidable to one other position interposing a portion of the valve member generally between the inlet opening and the outlet opening of the valve body and providing fluidic communication between the inlet opening and the bypass opening via the valve chamber, the valve member providing fluidic communication between not more than any two of the inlet opening, the outlet opening and the bypass opening via the valve chamber in any one position of the valve member during the operation thereof; and bias means engaging a portion of the valve member and biasing the valve member to the one position in the valve body providing fluidic communication between the inlet opening and the outlet opening of the valve body, the fuel at a predetermined pressure level biasing the valve member against the biasing force of the bias means to the one other position in the valve body providing fluidic communication between the bypass opening and the inlet opening of the valve body.
Claim 7
Dependent Claim
61 words
The apparatus of claim 4 wherein the valve member is further defined as being elongated and having an upper and a lower end, the lower end engaging a portion of the valve body to position the valve member in the one position in the valve body providing fluidic communication between the inlet opening and the outlet opening of the valve body.
Claim 8
Dependent Claim
80 words
The apparatus of claim 5 wherein the valve body includes, an upper end and a lower end, a spring chamber formed on the upper end of the valve body, the bias means being disposed in the spring chamber; and wherein the bias means has a portion thereof engaging the upper end of the valve member, the bias means cooperating with the valve member to buffer the fuel passinG through the control valve to increase the efficiency of the fuel system.
Claim 9
Dependent Claim
75 words
The apparatus of claim 5 wherein the bias means is further defined as being disposed in a portion of the valve chamber, one portion of the bias means engaging a portion of the valve body and another portion of the bias means engaging the upper end of the valve member, the bias means cooperating with the valve member to buffer the fuel passing through the control valve to increase the efficiency of the fuel system.
Claim 10
Dependent Claim
67 words
The apparatus of claim 5 wherein one end of the valve passageway is aligned with the outlet opening of the valve body and the other end of the valve passageway is aligned with the inlet opening in the valve body in the one position of the valve member in the valve body providing fluidic communication between the inlet opening and the outlet opening of the valve body.
Claim 11
Dependent Claim
126 words
The apparatus of claim 8 wherein the bypass opening in the valve body is disposed in a horizontal plane generally above the lower end of the valve member in the one position of the valve member in the valve body providing fluidic communication between the inlet opening and the outlet opening of the valve body, the inlet opening being formed through a portion of the lower end of the valve body; and wherein the valve member is further defined as having a portion thereof interposed generally between the outlet opening and the valve chamber subsequent to the valve member being slidingly biased to the one other position in the valve body providing fluidic communication between the bypass opening and the inlet opening of the valve body.
Claim 12
Dependent Claim
56 words
The apparatus of claim 9 wherein the lower end of the valve member is disposed in a horizontal plane generally above the bypass opening through the valve body in the one other position of the valve member in the valve body providing fluidic communication between the bypass opening and the inlet opening of the valve body.
Claim 13
Dependent Claim
66 words
The apparatus of claim 4 wherein the valve passageway includes, a radially extending portion intersecting a portion of the outer periphery of the valve member, the radially extending portion being aligned with the outlet opening of the valve body in the one position of the valve member in the valve body providing fluidic communication between the outlet opening and the inlet opening of the valve body.
Claim 14
Dependent Claim
69 words
The apparatus of claim 4 wherein the valve passageway includes, a plurality of radially extending portions, each intersecting a portion of the outer periphery of the valve member, and each radially extending portion communicating with the outlet opening of the valve body in the one position of the valve member in the valve body providing fluidic communication between the outlet opening and the inlet opening of the valve body.
Claim 15
Dependent Claim
27 words
The apparatus of claim 4 defined further to include: seal means interposed between the valve member and the valve body to provide a fluid tight seal therebetween.
Claim 16
Dependent Claim
34 words
The apparatus of claim 4 defined further to include: means engaging the bias means to limitingly adjust the bias means, thereby adjusting the actuating fuel pressure of the control valve within a narrow range.
Claim 17
Dependent Claim
445 words
A control valve interposed in a fuel system comprising: engine means; fuel pump means fluidically communicating with the engine means and supplying fuel thereto; fuel reservoir means fluidically communicating with the fuel pump means, the fuel pump means pumping fuel from the fuel reservoir means to the engine means; and control valve means interposed between the fuel pump means and the engine means, the control valve means comprising: housing means, having a housing bore formed therein, the housing bore in fluidic communication with the fuel pump means to receive fuel from the fuel pump means, a fuel passageway formed in a portion of the housing means intersecting the housing bore and fluidically communicating with the engine means, a bypass fuel passageway formed in a portion of the housing means inTersecting the housing bore and fluidically communicating with the fuel reservoir means; a valve body disposed in a portion of the housing bore, having a valve chamber formed therein, an inlet opening formed through a portion thereof providing communication between the housing bore and the valve chamber, an outlet opening formed through a portion thereof providing communication between the fuel passageway in the housing means and the valve chamber, a bypass opening formed through a portion of the valve body providing communication between the bypass fuel passageway in the housing means and the valve chamber; a valve member slidingly disposed in the valve body having a valve passageway formed through a portion thereof providing fluidic communication between the inlet opening and the outlet opening of the valve body and a portion of the valve member interposed generally between the inlet opening and the bypass opening in one position of the valve member, the valve member slidable to one other position interposing a portion of the valve member generally between the inlet opening and the outlet opening of the valve body and providing fluidic communication between the inlet opening and the bypass opening via the valve chamber, the valve member providing fluidic communication between not more than any two of the inlet opening, the outlet opening and the bypass opening via the valve chamber in any one position of the valve member during the operation thereof; and bias means engaging a portion of the valve member and biasing the valve member to the one position in the valve body providing fluidic communication between the inlet opening and the outlet opening of the valve body, the fuel at a predetermined pressure level biasing the valve member against the biasing force of the bias means to the one other position in the valve body providing fluidic communication between the inlet opening and the bypass opening of the valve body.
Claim 18
Dependent Claim
445 words
A control valve interposed in a fuel system comprising: engine means; fuel pump means fluidically communicating with the engine means and supplying fuel thereto; fuel reservoir means fluidically communicating with the fuel pump means, the fuel pump means pumping fuel from the fuel reservoir means to the engine means; and control valve means interposed between the fuel pump means and the engine means, the control valve means comprising: housing means, having a housing bore formed therein, the housing bore in fluidic communication with the fuel pump means to receive fuel from the fuel pump means, a fuel passageway formed in a portion of the housing means intersecting the housing bore and fluidically communicating with the engine means, a bypass fuel passageway formed in a portion of the housing means inTersecting the housing bore and fluidically communicating with the fuel reservoir means; a valve body disposed in a portion of the housing bore, having a valve chamber formed therein, an inlet opening formed through a portion thereof providing communication between the housing bore and the valve chamber, an outlet opening formed through a portion thereof providing communication between the fuel passageway in the housing means and the valve chamber, a bypass opening formed through a portion of the valve body providing communication between the bypass fuel passageway in the housing means and the valve chamber; a valve member slidingly disposed in the valve body having a valve passageway formed through a portion thereof providing fluidic communication between the inlet opening and the outlet opening of the valve body and a portion of the valve member interposed generally between the inlet opening and the bypass opening in one position of the valve member, the valve member slidable to one other position interposing a portion of the valve member generally between the inlet opening and the outlet opening of the valve body and providing fluidic communication between the inlet opening and the bypass opening via the valve chamber, the valve member providing fluidic communication between not more than any two of the inlet opening, the outlet opening and the bypass opening via the valve chamber in any one position of the valve member during the operation thereof; and bias means engaging a portion of the valve member and biasing the valve member to the one position in the valve body providing fluidic communication between the inlet opening and the outlet opening of the valve body, the fuel at a predetermined pressure level biasing the valve member against the biasing force of the bias means to the one other position in the valve body providing fluidic communication between the inlet opening and the bypass opening of the valve body.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |