Method and system for an engine variable charge motion system

Patent metadata

Field	Value
Publication number	US-9869252-B2
Application number	US-201715673923-A
Country	US
Kind code	B2
Filing date	Aug 10, 2017
Priority date	Jan 28, 2015
Publication date	Jan 16, 2018
Grant date	Jan 16, 2018

Abstract

Methods and systems are provided for introducing a charge motion to a cylinder via a bladder in an intake manifold runner. In one example, a system may include positioning a bladder in an intake port proximate to a cylinder.

First claim

The invention claimed is:

1. A system, comprising;
a cylinder with an intake port; and
a bladder positioned in an opening on a bottom surface of the intake port nearest the cylinder,
wherein the bladder is coupled in a cartridge that is inserted and positioned into an engine bulkhead between the cylinder and the intake port, wherein the cartridge is surrounded by coolant.

2. The system of claim 1 , further comprising a controller programmed with computer readable instructions for inflating the bladder responsive to an operating condition.

3. The system of claim 2 , wherein the operating condition includes inflating the bladder in response to an intake throttle being more closed.

4. The system of claim 1 , wherein the bladder is coupled to a bladder manifold via a bladder inlet, and where the bladder manifold is coupled to an exterior wall of a cartridge.

5. The system of claim 4 , wherein the cartridge is inserted into a bulkhead between the intake port and the cylinder, the cartridge further comprising:
a face with an exterior wall and an interior wall;
wherein the exterior wall is coupled to the bladder manifold;
wherein the interior wall is bound to a bulkhead seal physically adjoined to the bulkhead; and

a hollow, Y-shaped channel extending from the interior wall to the bladder, wherein the channel is a single pathway housing the bladder inlet, and where the channel furcates to first and second identical bladders.

6. The system of claim 5 , wherein the bulkhead seal prevents an engine coolant from leaking out the bulkhead, the engine coolant surrounding an outer portion of the hollow, Y-shaped channel, a coolant seal coupled to the bladder, and the bottom surface of the intake port.

7. The system of claim 1 , further comprising a cartridge, wherein the cartridge includes a hollow, Y-shaped channel comprising a bladder inlet, and the bladder inlet furcates as the hollow, Y-shaped channel furcates within an interior passageway of a bulkhead.

8. The system of claim 7 , wherein the cartridge is fastened to the bulkhead via a plurality of bolts, and wherein an interior wall of the cartridge is physically coupled to a bulkhead seal attached to an outer flange of a bulkhead seal opening.

9. The system of claim 1 , wherein the bladder is inflated via a compressed air source.

10. A cylinder head system, comprising:
a cylinder head including an intake port above a bulkhead, a cylinder located below the bulkhead, the bulkhead fluidly communicating with a coolant passage; and
a cartridge inserted into the bulkhead and having an internal air passage sealed from coolant by an extension member, and a bladder coupled to an end of the cartridge and fluidically coupled to the internal air passage, wherein the cartridge is surrounded by coolant.

11. The system of claim 10 , wherein the bulkhead is separated from the intake port via coolant passages and a coolant seal, and wherein the bulkhead is below the intake port, between a cylinder and a top of the cylinder head.

12. The system of claim 11 , wherein the bladder is further coupled to the coolant seal coupled to the cartridge.

13. The system of claim 10 , wherein the cartridge furcates near a terminal end of the cartridge, and wherein the bladder is coupled to a top face of a cartridge prong.

14. The system of claim 10 , further comprising two bladders per cylinder, one bladder in each intake port of a cylinder, the cylinder comprising two intake ports.

15. The system of claim 10 , wherein the bladder is flush with a bottommost wall of the intake port when the bladder is deflated.

16. The system of claim 10 , further comprising coolant flooding the bulkhead, the coolant delivered or removed by the coolant passage, the coolant in the bulkhead surrounding an exterior of the extension member and being isolated from the intake port via a coolant seal.

17. The system of claim 10 , wherein the intake port is fluidically coupled to an intake manifold, wherein the intake manifold is spaced from the cylinder head, and wherein a bladder manifold is located in the space between the intake manifold and the cylinder head.

Assignees

• Ford Global Tech Llc

Inventors

• Wicks Christopher Donald

Classifications

• F02B31/06 Primary

  Movable means, e.g. butterfly valves · CPC title

• F02D41/0002

  Controlling intake air · CPC title

• F02M35/10091

  characterised by details of intake ducts: shapes; connections; arrangements (ducts within or on the plenum chamber F02M35/10039) · CPC title

• F02M35/10373

  Sensors for intake systems (throttle position sensors F02D9/105) · CPC title

• F02D9/18 Primary

  having elastic-wall valve members · CPC title